wifi relay board Virtual COM Port communications are ideal for existing applications that make use of our wired and wireless relay control already and want to quickly add support for Ethernet Relay Controllers. 168. Parameters: Product Name:DC 5V ESP8266 WIFI 4-Channel Relay Module; Working Voltage:DC 5V; Load Voltage:DC 30V 10A /AC 250V 10A; Work Temperature:-40℃~85℃ Work Humidity:0%~95%RH; Size:63*60*20mm; Wiring Description: The WiFi Relay Board is powered by 12V 1A DC Power source. 1 x 5V WiFi Relay ESP8266 ESP-01S Board. Once done you will want to setu p up the board as you would any other Tasmota-flashed ESP8266 – by entering WiFi (and MQTT) credentials. 2. in/deep/_ANQVOi/33044 16 Channel Relay: This is a 12V 16-Channel Relay interface board, Be able to control various appliances, and other equipment with large current. Wifi_eight_relay_board. This module comes with low power, 2. This is WiFi Wireless 8 channel SPDT relay module (board) for remote management and control with Virtual Serial Port, TCP/IP, Web, HTTP API, Telnet and serial commands access. println("Current Flowing"); delay(5000); // Normally Open configuration, send HIGH signal stop current flow // (if you're usong Normally Closed configuration send LOW signal) digitalWrite(relay, HIGH); Serial. The Three Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. Inputs can be adjusted to control relays (standalone work). In the video I show you how to configure the module and then This is a Wi-Fi controlled relay board with 16 channels up to 15A / 250VAC each. Once you connect to it you can use the FREE and Open Source Android App that comes with the board to communicate / trigger the relays and /or to set up on/off schedules for the relays. Click on the choose device and select ESP32 Dev Board. You can use similar analogs for 6V and 9V. The first set consists of VCC and GND to power up the module, and input 1 ( IN1) and input 2 ( IN2) to control the bottom and top relays, respectively. 95. The module comes equipped with suitable remote control. Find many great new & used options and get the best deals for Wireless WiFi 12 Relay Channel Output ADC I/O Module Board - Home Automation at the best online prices at eBay! Free shipping for many products! A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. Relay only play as on/off switch for AC power. LC Technology WiFi Relay use CJT1117B linear regulator which support input power up to 12V. 10. ESP8266 WiFi 5V 1 Channel Relay Module equip with ESP8266 WiFi module and micro-controllers, through the mobile phone APP to the module to send serial instructions to achieve in the LAN within the relay for wireless control. Starts at $199. Trinity Touch Omron Relay Boards, 24 To 230v Ac ESP8266 WiFi interne connected 4 relay switch. ESP module preprogrammed from OEM in China to provide an Accesss point for direct connection, that once the SSID and password of your WiFi is saved, the module will connect to your personal WiFi. 3). 3 V USB-to-TTL Serial adapter to program the esp-01 with Arduino IDE. 5C How to use 32-16 channel relay board PC software in LAN for local control. 4G WIFI only,doesn't support Mesh wifi system and 5G WiFi network. The Blue board's wiring is explained below: ESP-RFID Blue Board (ESP8266 WiFi + MQTT RFID Reader) The One Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. #Three Channel WiFi Relay/Thermostat Board. This ESP8266 5V WiFi Relay Board Module – ESP-01S allows you to have on/Off control via Wi-Fi thru the ESP-01S module. HLK-SW16 16 Channel WiFi Controlled Relay Board HLK-SW16 16 Channel WiFi Controlled Relay Board Product Usage Started by Leeladhar salian 2016-04-27 10:34:06 +05:30 Comments: 2 Viewed: 1868 16 channel lan wan wifi relay board controller wifi relay module wireless remote control Hi- Link smart home relay switch. com, mainly located in Asia. This way you can power larger motors and equipment all from an industrial enclosure. Integrated Analog to Digital Converters may be used to manually control the relays, or they may be used to read external sensors. But for about $10 you can get a Wemos D1 Mini (ESP8266 board that has wifi) with a Relay Shield. transistor is connected to Pin D1 of the D1 Mini board so that the state of the. comThis is a module which can be controlled over its own access point, or connected to WiFi Relays from NCD. VIEW MORE Add to cart. UART Communication Protocol Swifitch is ESP8266 based relay board that could be used to turn any light or any wall socket into smart one! iot arduino esp8266 nodemcu relay hardware open-hardware wifi switch relay-board iot-platform swifitch The 12V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. The relay board is a open software/hardware multi-purpose relay board based on the ESP8266 WiFi SoC. Article by 森林 The relay is controlled by the esp-01. Wifi IoT Relay Board Based on ESP8266: WiFi module – ESP-12F based on Espressif ESP8266EX WiSoC Relays – 2x Songle SRD-05VDC-SL-C relays supporting 125VAC/10A, 250VAC/10A, 30VDC/10A, 28VDC/10A Input/Output – 3x terminal blocks for relay and power HLK SW16 16 Channel WiFi Controlled Relay Board - Buy Relay Board at best price of Rs 3500/piece from Omatom Power. APP remote control; 3>. This board is not an official outlet for Relay or Republic Wireless information. $59. 4. 11-compliant MRF24WG0MA WiFi radio transceiver module. Initially You have to feed the ip address(192. 100. This ESP-01/01S Relay based on ESP-01/01S WIFI module. 1) and port number(8080) inorder to connect. Here you will find four buttons you can click it and the light/load should turn on/off. It could control the relay by cell phone APP within the local area network (LAN). It\'s a lua based firmware for wifi-soc esp8266 Build on ESP8266 sdk Lua core based on eLua project cjson based on lua-cjson File system based on spiffs Easy to access wireless router Based on Lua 5. And so you will able to send commands through the WiFi interface of your computer, smart phone or tablet to the board. This WiFi relay module carries a ESP8266 WiFi module and micro controller. TSRU430- 4 Channel 30A USB Relay Board. 10. 2 out of 5 stars 20 $30. APP remote control; 3>. LC 220V one channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit. Numato Lab’s 8 Channel WiFi Relay Module is a versatile product for controlling electrical and electronic devices remotely from any desktop or mobile device through WiFi. In this tutorial we will show how to build WiFi internet controlled switch connected to EasyIoT Cloud with 4 relays and one ESP8266. Learn how to control a relay module with ESP8266 board: Guide for ESP8266 Relay Module – Control AC Appliances + Web Server Example. 2 Control Board TFT35 V3. Features: 1>. Based on ESP-12F ESP8266 Wifi Board This relay board use one AC input, and supports two relay AC output. It will send the serial port instructions to the cell phone APP and Implementation within the local area network (LAN) for wireless control relay. US$24. co. Board extension function includes DHT sensor, IOs pins, wireless socket. Home > Forums Technical Discussions Product Usage. The main feature of Wi-Fi 16 Relay Board is that it can control electrical devices wirelessly. This WiFi relay based on AI-Thinker ESP-01/ 01S WiFi module, we use the GPIO0 of ESP-01/ 01S to control the relay by low level. The onboard ESP8266 WiFi module is infact a plug-in type card with an 8-pin header. NCD Wireless Relays with Range, GPIO & Analog Connectivity Options for Remote Sensor Monitoring & Relay Control. The WeMos D1 mini is quite small and much easier to interact with and program than the ESP8266 devices. A Eight Relay to control AC/DC Loads. 3>. The function and characteristics: Onboard ESP8266 WIFI module, AP mode 5 client can be connected at the same time; The ESP8266 5V Wi-Fi relay switch module is a small, inexpensive module measuring in at 45 x 28 x 20 mm and needs 5V DC to operate. It has 8 SPDT Relays, 8 digital inputs (0-3. It has 8 SPDT Relays, 8 digital inputs, 8 analog inputs and one UART port. Similar to other Songle relay switch modules, the on-board relay can tolerate 110 – 250V AC or up to 30 V DC at 10A. 1 and 8080; Click on the grey box relays can be controlled ESP8266 5V Wifi Relay . Using the webpage, we will send the commands to the ESP32 to turn the relay module ON or OFF. AC 220V one channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit. Excellent work, it would be nice if there is a forum for your WIFI Control 4-Channel Relay Board with Driver. It works with the 8 channel relay to help you realize controlling your other devices remotely. Remind after disconnection and recover after reconnection automatically. I have 3 of these controlling 2 garage doors and an electric gate. ESP8266-WiFi-Relay. They use an ESP-01 (ESP8266) wi-fi module to control the relay. The original way to control the relay is by using serial commands: Open: 0xA0, 0x01, 0x00, 0xA1; Close: 0xA0, 0x01, 0x01, 0xA2 ; They also need need configuration via the serial 4 pin header. 99 $19. What we will Learn? How to connect 220V Ac with Relay The board contains 220V,10A/250V AC 10A/30V DC Songle original relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time. LC 5V ESP8266 2-channel WIFI relay module equip with to ESP-01 WIFI module and 8 bit high performance MCU, Only need simple configurations and then you can control the relay with cellphone APP under LAN area. 3V Level USB to TTL” adapter and a suitedserial debugging software (for instance, USR-TCP232-Test-V1. 3V), 8 analog inputs (0-2. Virtual COM Port communication allow you to send commands to an Ethernet Relay Board as if it were directly connected to the controlling PC. 83. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). It can control up to three a. Turn on/off relay manually with a separate control panel for each relay. This module comes with low power, 2. Onboard Relay: 5V, 10A/250V AC 10A/30V DC relay. in/deep/_ANQVOi/33044 Based on ESP8285 MCU+WIFI IC; All IOs lead out on pin header, pitch 2. 99 $19. CD is not included in the package but the software is available for download from this link; Application Examples. 1. 88 $ 12 . mqtt. waferstar. It is easy to set . Option for on-board power supply; Up to three high quality 10A relays NCD manufactures the largest Wireless Relay controllers in the world, with options for 16, 24, 32, 48, 56, and 64 on-board relays. The low-voltage side has a set of four pins and a set of three pins. Add to Cart. There are eight relays on the board, eight loads can be controlled. LC 5V WiFi relay module carried a ESP8266 WiFi module and microcontroller. 00 ESP8266 modules are amazing devices, allowing you to connect via WiFi and control “whatever” you want. Talk to anyone, anywhere, on any device. 00-$39. Option for on-board power supply; Up to three high quality 10A relays Hi-Link HLK-SW16 16 Channel WiFi Controlled Relay Board ₹ 3,743 / Piece. Specifications. 5/29/2014 Wireless Relay Control with Arduino & the CC3000 WiFi chip - Open Home Automation you can just upload it to the board and the relay should switch states eHUB 5V WiFi Relay Module v4. tindi NCD Long Range Wireless Relay Controller boards make it easy for computers of all types to control relays and monitor analog inputs wirelessly. Then, for the relay module, I used a 5V relay module from Polulu, which nicely integrates a relay on a board, along with all the required components to control the relay from the Arduino board. Option for on-board power supply; Up to three high quality 10A relays This is a HW-655 relay board designed to work with an ESP-01, the nifty tiny embedded WiFi device. The MKR Relay Protoshield allows you to easily add relays to your MKR board based project. 254, port 8080. This is the extended version of esp relay board. Easy access Wi-Fi 16 Relay Board via Internet and control electrical devices A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. It makes the network client and equipment connects directly on the basis of none modifying the original communication protocol, saving development cycle, improve the user's experience. Upon startup, the module creates a WPA2 protected Wi-Fi access point and BLE server. In this post, I will share how to control a LED Bulb of 220V AC using ESP8266 NodeMCU using Relay Board via Mobile using WiFi. many supply power way. WiFi relay controllers are cross-platform compatible, as all operating systems are capable of sending and receiving TCP/IP data. 0Get it here: https://dvdo. 1 in the ip text box. Finally, click on the create button, an authentication token will be sent on your email id, which later will be used in the IoT Power Relay ESP32 This video is all about how to control devices wirelessly by App using WI-FI network. Rajguru Electronics (I) Private Limited - Offering Hi-Link HLK-SW16 16 Channel WiFi Controlled Relay Board at Rs 3743/piece in Mumbai, Maharashtra. DRM Software - Denkovi Relay Manager Software. Control via Third Parity Android Apps. The wifi relay board up for sale on the site are primarily found in a solid-state and are available with This is WiFi Wireless 8 channel SPDT relay module (board) for remote management and control with Virtual Serial Port, TCP/IP, Web, HTTP API, Telnet and serial commands access. 1 x 16A Relay Powered by the popular ESP8266 WiFi SoC - (custom firmware upgradable) Cell phone WIFI signal connection name starts with AI-THINKER or ESP8266; In the "TCP connection" address and port into the APP, such as 192. Equipped with your choice of 1, 2, 4, or 8 on-board relays, the ProXR Lite series wireless Relay controllers suit the needs of most of our customers. I had no problem uploading the sample to the board, and hearing the relay switch on and off every 2 second. Two pin Screw terminals are used to connect Input AC . Read about 'element14 | MKR WiFi 1010 - MQTT Remote Relay Board Control' on element14. Ideal for home automation, IoT, lighting control projects, and much more. Type: Relays; Model #: I777559; Item #: 9SIASX6DVG7859; Return Policy: View Return Policy $ Product Enquiry Based on ESP8266 Wifi IC, ESP-12F module. Prev: Wifi Relay Switch Module Low Power Self-Lock Mode AC 220V 5x3. 3. Bluetooth, USB, WiFi, Ethernet, Key Fob The circuit is very simple, we just need a Nodemcu board and a relay module to control home appliances securely from the smartphone through the internet. Perfect for home automation and remote-control projects. So why not we can control our home electronics instruments like light fan AC etc using Home Automation Using ESP8266. When I apply power (no less than 12v) I can see AI-THINKER_xxxxxx when I attempt to connect to it, I'm asked for a HLK SW16 16 Channel WiFi Controlled Relay Board. ESP8266 (ESP-01) WiFi Module: The ESP8266 WiFi Module is responsible for connecting to the WiFi Network and also controlling the Relay Module. On board high quality MCU and ESP-01WIFI module 2. 88 All these WiFi relay boards have a WiFi module on it. 3 This is SainSmart iMatic Wifi V2 Wireless Remote Control Board for 5V 8-CH Relay model. This module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application specific devices through its GPIOs (General Purpose Input Output) with minimal development up-front and minimal loading during runtime. Compatible with Arduino IDE. Relay Specification:YL303H-S-5VDC. Supply Arduino development environment reference code, suitable for ESP8266 secondary develop learning, smart home wireless control and other occasions. The Irdroid Wifi Relay board allows you to control and monitor 5 250V / 5A relays via a Smartphone with Android or IOS or via PC. simple sketch for ESP8266 of using ESP8266WebServer to switch relays on GPIO pins and serves a simple website with toggle buttons for each relay. AC 85~264V power supply; 4>. or d. 08 US$25. 99 Wireless Relay Boards for Remote Control & Point to Point Switching Applications. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in the lan. It has an integrated PCB antenna. in/deep/_ANQVOi/33044 RelayGo the fan-run discussion community for the Relay product from Republic Wireless. 99 SainSmart Network Web Server 16 Channels Relay Ethernet Controller Module, Remote Control Board, LAN WAN Web Server, RJ45 Port, Control Under WiFi Connected Network 3. 11 interface. in/deep/_ANQVOi/33044 RelayGo the fan-run discussion community for the Relay product from Republic Wireless. You can control devices 230V/120V (up to 8) directly with one such relay unit. The Irdroid Wifi Relay board also features a Internet router, working as an Access Point in its default mode. 11-compliant MRF24WG0MA WiFi radio transceiver module. It can control up to three AC or DC loads over the Internet using web UI or MQTT. - 1 x Relay board for D1 Mini NodeMCU Board. 3x2. The module can be configured with the help of any “3. - Polarity: Active High - you must set pin D1 to high to switch this device ON. 99 $ 17 . Two working mode: Mode 1: cellphone carry on wifi module directly This my review of a ESP8266 wifi IOT relay board supplied by ICStation. Specifications. Learn how to use relay with Arduino, how relay works, how to connect relay to Arduino, how to code for relay, how to program Arduino step by step. wifi-relay-board. The function and characteristics 1, On-board N76E003/STM8S003 and ESP-01 WIFI module Arduino: NodeMCU ESP8266 IoT Wifi Relay Sensor Dashboard App Learn how to build your own sonoff, create amazing IoT dashboard web apps, control switches and graph sensor data Bestseller AC/DC Power Supply ESP8266 Wireless WIFI 2 Channel 4 Channel Relay Module ESP-12F Wifi Development Board 5V/8-80V. It could control the relay by cell phone APP within the local area network (LAN). Features. 3V we will add transistor transistor 2N2222 and 10K resistor between modules. Get the MAC Address on the Wi-Fi Relay Controller Board. The Three Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. 67 US$41. Header connector for connecting power and trigger voltage. Omatom Power offers hilink SW16 16 Channel WiFi Controlled Relay Board in best price and good quality. Supports communication via TCP/IP and UDP messages but also Virtual Serial (COM) Port as well. 1. This is a single Relay board which has esp8266 on board chip and also has 100-230VAC to 5V DC converter on the same board. The Wi-Fi webserver provides a JSON interface for relay states. Skip to content +91 9082833066. Features: 1>. I also found warnings that some clones did not have programmed STM8 micro controllers so they don’t work. Suitable for home automation applications, hobby projects, industrial automation. 30 17% Off KTNNKG AC85-260V 30A 3000W High Power WIFI Relay Switch 433MHz Receiver Smart Home Gadgets Wireless Remote Control Switch APP Control Work With Alexa Google Home+Black RF Transmitter 1 review COD US$24. We have also WiFi in our home. Data is encoded as JSON object; get and set relay states also by simple GET requests; Bootstrap and jQuery for beautiful Web Pages for both Mobile and Desktop Screens Mimas V2 Spartan 6 FPGA Development Board with DDR SDRAM ; Wi-Fi Relay Modules . Description: LC-Relay-ESP12-1R-D8 single way relay development board carry on ESP-12F WiFi module I/O port is fully extracted, support DC8-80V/USB 5V and other power supply methods. This is Eight Channel relay board controlled through WiFi. 0 for ESP8266 ESP01S/ESP01 Internet of Things IOT Smart Home Remote Control Switch (Relay Module with ESP01S) 3. Learn more about Relay Dashboard. 32 Channel WiFi Relay Module. 5mm pitch green cable terminal. LC 12V WiFi relay module carried a ESP8266 WiFi module and microcontroller. be/-gAPSU-idOo Essentially, it is an 8-channel relay controller with a wifi interface and an auxiliary RS-232 port for connection to industrial equipment over serial. WiFi 16 Relay Board TCP ModBus Controlled - User Manual 21 Aug 2017-12- 5. The Linknode R4 is a 4-channel relay board that features an ESP8266, a low-cost Wi-Fi chip with full TCP/IP stack and MCU built in that has taken the maker world by storm over the last two years. Arduino UNO board x 1; OSOYOO ESP8266 Wifi Shield x 1; Relay module x 1; LED x 1; 1K resistor x 1; Breadboard x 1; USB cable x 1; Jumper wires several; First, please insert the ESP8266 wifi Shield into your UNO board, Make sure jumper cap connected E_TX to D4 and E_RX to D5. Provide Arduino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control and other occasions. WiFi Relay. 81 17% Off 5pcs Wemos® ESP8266 Development Board WIFI Relay Module 220V 10A Relay 2 reviews COD US$34. Connect Wi-Fi Relay Controller Board with the electric power source. 2 Control Board TFT35 V3. 168. 00 . Open this file on Iphone, because WIFI relay board core module default factory set is TCP SERVER mode, IP is the 10. Create an ESP8266 Website to control 8 relays. PCB dimensions 49 mm x 68 mm. 84 US$29. It’s time for a change, “over”. Available with Expansion Options and Long Range. 2. You must be logged in to post a review. In this project, we are going to control the relay module with ESP32. HLK-SW16 is a new professional remote control terminal, which can implement the TCP connection through the gateway and establish communication with the remote device. Its form factor is just 54X54X21mm. Also find here related product comparison | ID: 18119470048 We often use relay to control 110V or 220 V devices in home and office. 84 US$29. 81 17% Off 5pcs Wemos® ESP8266 Development Board WIFI Relay Module 220V 10A Relay 2 reviews COD US$12. please use a wifi extender if wifi signal is weak. 254, so the corresponding IPA files should be set it IP same as WIFI module SERVER address (10. It can control up to three AC or DC loads over the Internet using web UI or MQTT. 0Get it here: https://dvdo. It has an integrated PCB antenna. loads over the Internet using web UI or MQTT. A prerequisite for using is that the app mobile phone must be connected with the WiFi network I’ve wanted to use an ESP8266 WiFi module in a project for some time now, and after reading about the WeMos board, I figured this was the easiest way to get started. Board Specification. 2. ###Highlights. I am not sure how anyone would think it would not be noticed, or even how anyone would think this is remotely close enough to actually be used. $45. Now you can use the familiar Arduino pro mini to easily control WiFi, digital and analog I/O, memory, and high voltage relays. com. Integrated design; 2>. Enter the IP address of the board and TCP/UDP Port . Working Method: Mobile phone equipped with Wifi module. So I built this single relay controller, with internal temperature reporting. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it ###Highlights. 11n Access point. This module is ideally suited to controlling larger voltages in your project through WIFI. No Arduino should be connected to this. 2. It can control up to three a. You can also choose from low power, high power wireless relay board, as well as from miniature, subminiature wireless relay board, and whether wireless relay board is electromagnetic relay, voltage relay, or solid state relay. The Three Channel WiFi Relay / Thermostat Board is a open software/hardware multi-purpose relay board based on the ESP8266 WiFi SoC. It is designed for smart home, internet and other DIY projects. Documentation please see on this page. Less Wi-Fi Compatible This board is essentially a Wi-Fi controlled relay that you can trigger with an App from anywhere in the world. 2. 95 #Three Channel WiFi Relay/Thermostat Board. Numato Lab’s 16 Channel WiFi Relay Module is a versatile product for controlling electrical and electronic devices remotely from any desktop or mobile device through WiFi. Free HLK-SW16 is a remote control terminal developed by Hi-Link, which can implement the TCP connection through the gateway and establish communication with the remote device, It makes the network client and equipment connect directly on the basis of none modifying the original communication protocol, saving development cycle, improve the user’s experience. 16. Simply put, our boards will withstand the rigors of everyday use and the relays are rated for millions of cycles! Description: LC-Relay-ESP12-1R-MV single relay development board onboard ESP-12F WiFi module, I/O orifice full lead ,support AC90-250V/DC7-12V/USB 5V etc. Mobile phone and wifi module equipped with one router, and control the relay by APP. Supported by DRMv3 Software. in. It is easy to set 1. 53 17% Off 3pcs Wemos® ESP8266 Development Board WIFI Relay Module 220V 10A Relay 4 reviews COD US$21. com. Relay connects over the cellular network just like your smartphone. Default IP:192. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it. Get sample info. The Development board has its own WiFi Module, 5 Relays (5A 250V A Description. A good example project for the SSR module is a WiFi switch to a 240VAC light bulb. const int relay = 5; void setup() { Serial. The shield provides two relays (Datasheet) called RELAY1 and RELAY2 commanded by pin 1 and pin 2 respectively. 3V. Product size: 115*130*19mm Based on ESP-07 ESP8266 Wifi Board. 8 . WiFi Switch using Solid State Relay. 12V ESP8288 four ways WiFi relay module carried a ESP-01 WiFi module and mature 8 bit MCU. Make sure the connection type is set to WIFI. The onboard 4-pin header works as an I/O header to setup/configure the WiFi Relay Module. WiFi Relays allow you turn relays on or off, flash relays continuously, control relays for a duration of time, and control relays in groups using a cross-platform compatible WiFi interface. NCD WiFi Relay controllers offer a popular solution for wireless relay control. Rajguru Electronics (I) Private Limited. Inputs can be adjusted to control relays (standalone work). 1. Smartconfig: Download IOT espressif apk from google play; in app, choose add devices, and enter password of your wifi setup; connect esp relay board on power; If you only want debug, can just CP2102 USB-TTL board, which provide sufficient power ESP-01S ESP01S ESP8266 WIFI Module WIFI Wireless Sensor Switch Relay For SKR PRO V1. Features:diode effusion protection; short response time. The relays can be controlled manually with the standart coils commands they also can act like timers. NCD Also manufactures WiFi Relay Controllers with Cloud Control Capabilities. It has 8 SPDT Relays, 8 digital inputs, 8 analog inputs and one UART port. 6 mm, 1, HASL with lead, White Solder Mask, Black silkscreen This is a simple WiFi enabled 4 CH relay card for Home automation and any other WiFi projects. Disconnect the esp-01 from the relay board and use an 3. #Three Channel WiFi Relay/Thermostat Board. Onboard high performance microprocessor STM8S103 and ESP-01 WiFi modules. The Three Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. SainSmart Network Web Server 16 Channels Relay Ethernet Controller Module, Remote Control Board, LAN WAN Web Server, RJ45 Port, Control Under WiFi Connected Network 4. Can be programmed using FTDI/CP2102. The shield also provides an easy connection by means of screw terminal blocks to A1 to A4 analog inputs, I2C and supply voltages. The kit includes. const int relayPin = 1; void setup () { pinMode (relayPin, OUTPUT); } void loop () { Serial. println ("Close Relay for 100 ms and then Open"); digitalWrite (relayPin, LOW); delay (100); digitalWrite (relayPin, HIGH); delay (200); } Surfing the web I've found the following diagram about the ESP8266 ESP-01 module: The dual relay board from Electrodragon, is made to have two outputs, but it should be obvious to anyone that both outputs can not be used as it is, because of the obvious design flaw in the case. or try risk free. 11 interface. Support battery supply, include cable; On board 2A 30VDC HDF4/3 signal relay, output on 3. Four mounting holes of 3. Free shipping on many items | Browse your favorite brands | affordable prices. AC 85~264V power supply; 220V one way WiFi relay module carried a ESP8266 WiFi module and mature 8 bit MCU, with Professional switching power supply circuit. Supported by many mod-bus applications and professional software. Features: On board Module: ESP8266 WIFI Module,can connect 5 client at the same time on the mode of AP After that start the app Wifi Four Relay board. Control mode: Based on the IP address, TCP data transmission network packet, a packet of eight bytes, the specific contents can be reference for general relay board our protocol. I used the “Homie” framework (a search of the forums should find it) and I was able to program it up easily enough to talk to my openhab server. 11 interface. 99 Relay Board Categories Boards & Programmer Power Supply Module Relay Board - WiFi Controlled Relay Board - WiFi Controlled Relay Board & Relay Board Wifi Module Wifi Router Sensors & Module Electronic Components Power Supply Robotics Solar Panels & Cells Special Deals Relay controls 120/250V 5A AC with onboard 5V DC. Power Battery Terminal (PBT) for easy relay output connection. Easy for embedded project. The TEXUINO board will turn your electronics projects into reality with minimal effort! This compact platform features 8 relays and 10 inputs (2 of which can be used as interrupts). WIFI RELAY CONTROL BOARD USER MANUAL www. If your relay module only has one channel, you’ll have just one IN pin. This is the PCB version. There are no reviews yet. Trigger level : 2 to 12 VDC. Use relays effortlessly with this simple two-part setup! Simply connect any device you want to test or activate to the relay module; then use the in-built phone app to control them whenever you want. All commands will forwarding to the onboard MCU by the WiFibee module. It is easy to set . Get contact details and address | ID: 9030960430 ESP8266 WiFi Control Relay. 87 US$15. When the module is powered on and the Ready Led is ON as well, it should appear in your Wi-Fi scanned networks 1, On-board STM8S003 and ESP-01 WIFI module 2, Having two modes: (1) Mode 1: Cell phones carry on the wifi module directly (2) Mode 2: Cell phone and wifi module carry on the same router Additional function: As an USB relay module when unplug the ESP-01 3, Transmission distance: This 12V One Channel IR Wireless Relay Module with Remote Control is a one channel latching relay module. That second micro talks "AT" to the esp8266, and controls the relay. Features. In this video we take a look at a dual relay module controlled via WiFi using an ESP8266 module. Note: Only ships to US or EU shipping address. Some useful information about DAE-aModules and Wi-Fi 16 Relay Board: Select device Wi-Fi 16 Relay Module TCP or Wi-Fi 16 Relay Module UDP. wifi relay board are crucial components of a circuit's electricity system and hence, they need to be taken care of precisely. US$16. At Relay Pros it's all about the switch! We use the best parts, the best firmware and the most comprehensive command set in the industry. There are 639 suppliers who sells wireless relay board on Alibaba. AC/DC Power Supply ESP8266 WIFI Four-Way Relay Module ESP-12F Development Board Function pending: Onboard mature and stable ESP-12F WIFI module, large capacity 4M BYTE FLASH; The I/O port and UART program download port of the WIFI module are all led out to facilitate secondary d Relay board. The 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit. Kmtronic Rs485 8 Channel Relay Board (controller) DIN Clips. It’s easy to DIY your smart switch to any device by your phone anywhere with this smart relay. Features: 1>. Test the connection between the Wi-Fi Relay Controller Board and the computer. 2 Control Board TFT35 V3. on board high quality MCU and ESP-01WIFI module The WiFi Relay Shield is an Arduino compatible module that provides an easy way to control high voltage thanks to 4 independent channels equipped with photo-coupled mechanical relays preassembled on the board. com and I want to connect it to my network. There are really lot of mobile apps capable to send TCP/IP and UDP messages. 1. 3 . Android and Arduino Code for Wifi Eight Relay Board based on esp8266 and atmega328p ESP-01S ESP01S ESP8266 WIFI Module WIFI Wireless Sensor Switch Relay For SKR PRO V1. Once the command has been received, the controller processes the command and the relay activates. DIM:140X80X22 mm. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in the lan. 99 $ 30 . Direct Plugin for Node MCU Esp8266 Wifi Module. It could control the relay by cell phone APP within the local area network (LAN). println("Current not Description: Onboard Module: ESP8266 WIFI Module, can connect 5 client at the same time on the mode of AP. Numato Lab's 16 Channel WiFi Relay Module is a versatile product for c. There is DC virtual switch. Then you can control the 20 channel wifi realy board by using this app. htmlCheap Home Automation Modules, B A sixteen channel ModBus TCP/UDP relay board with Wi-Fi 802. EnGeniusLab introduce make in India WIFI Control 4-Channel RELAY Board, to make your devices smart, It is specially design to make your room smart & energy saving because by this device now you can control & mange your device by only single APP using WIFI Signal. The Three Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. Login your router to get Wi-Fi Relay Controller Board’s IP Address. c. ) Setting relayPin to 1 as shown in this code works and with it I can see the embedded LED turning on and off. It will send the serial port instructions to the cell phone APP and Implementation within the local area network (LAN) for wireless control relay. 6 out of 5 stars 56 ₹ 479. 96" IIC 128X64 2 * Bluetooth module. 0 Pieces (Min. The default SSID is WiFi16_ModBus and there is not password. Order) The relays can be switched on and off individually via BLE or Wi-Fi connection. 168. Enter 192. Input 100-230VAC On board Power supply (AC-DC). 2 Control Board TFT35 V3. Irdroid WiFi Relay Board $100 Add to cart; Cart. 4. The Three Channel WiFi Relay/Thermostat Board is a WiFi connected multi-purpose relay board based on the ESP8266 SoC. Function: 1>. Integrated design. 2. 99 $ 30 . 1X Wifi 8 Relay Board for IOT ; Free Basic Source code on MQTT; Safety Warnings #esp32 based Quad Relay Board with virtual switch using Nextion display Code :https://github. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it ###Highlights. 4 out of 5 stars 146 $12. This is WiFi Wireless 8 channel SPDT relay module (board) for remote management and control with Virtual Serial Port, TCP/IP, Web, HTTP API, Telnet and serial commands access. Relay specification: 5 A @ 230 VAC. USB Relay Board with 2,4,8 relays designed for industrial control,computer controlled switching, automation application. The maximum switching power is 1250VA AC or 150W DC. We will replace the Arduino UNO on the diagram above with a ESP8266-based board like the WeMos D1 Mini. $33. 4 GHz, IEEE 802. Because relay module is powered by 5V and Arduino on 3. Perfect for remote heating an A/C systems control via nodeRED, openHAB and Android Tasker etc. 168. Click on the new project and enter the project name as “IoT Power Relay”. LC 5V ESP8266 four ways WiFi relay module carried a ESP-01 WiFi module and mature 8 bit MCU. com. We will connect our ESP32 to a Wi-Fi network and then create a webpage through an IP address and port which is shown on the serial monitor. Skip to content Whatsapp: +86-15381188302 HangZhou Zhejiang , China 310012 ESP Board (you can use either ESP32 or ESP8266): ESP8266 – read Best ESP8266 Wi-Fi Development Boards; ESP32 – we use the ESP32 DOIT DEVKIT V1 Board – 36 GPIOs (read ESP32 development boards comparison) Alexa – Echo, Echo Show or Echo Dot (read the next section for more details) 433 MHz RF Wall Panel Switch; 433 MHz transmitter/receiver ESP-01S ESP01S ESP8266 WIFI Module WIFI Wireless Sensor Switch Relay For SKR PRO V1. It is easy to set . WIFI Relay Controller Module, for IOT Smart Home APP & ESP8266 DC 12V 4 Channel Relay Board ESP-01 WIFI Module. This WiFi relay based on ESP-01/ 01S WiFi module, we can use one GPIO of ESP-01/ 01S to control the relay by a low level. Send TCP/IP commands over your local area network to control on-board relays. c. 32 Channels WIFI relay controller support Manual switch board Order/Check Details : https://seythigal. It is easy to set. 5: 796: 14 Suffice it to say that the board needs no power other than your FTDI 3v3 to do the flashing. Enter 80 in the port text box and then press connect . The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Then the ESP-01 board sends those commands to the 8-pin micro which controls the relay. It will send the serial port instructions to the cell phone APP and Implementation within the local area network (LAN) for wireless control relay. Get a demo. The Irdroid Wifi Relay Board can be controlled from your Android Phone and also from a PC. $54. Relay has three connections – Common – C, Normally Open-NO, Normally Closed-NC brought out to 3 pin screw terminals which makes it easy to make and remove connections. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it Description. Three pin RMC connector for connecting Sensor(ADC pin). 60 17% Off 5pcs ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board 3 reviews COD The ESP8266 single-channel relay development board is equipped with ESP-12F WiFi module, all I/O ports are led out, and it supports AC90-250V/DC7-12V/USB 5V and other power supply methods. Onboard the ESP8266 wifi module has three work modes: STA (client), AP (hot), STA + AP (hot +client), According to the work mode of wifi relay module to choose the corresponding mode of ESP8266 wifi module. Features of the Arduino Bigfoot WiFi relay board : – 4 SPDT 5V Relays – 4 analog and 4 digital input channels – WiFi chip – Voltage regulator allows for single power supply of 6-24 V Code running on the ESP8266. 4. 2 mm each. This can handle a load at 240 V AC. Relay and relay LED will switch on/off twice for debugging purpose. HLK-SW16 16 Channel Android/Smart Phone CWiFi Relay /WiFi Relay Module. So overall, I’m very pleased with WeMos D1 mini and the shields I tried, as everything pretty much worked out of the box, and I’ve got an ultra-compact WiFi connected system with a 5A/250V relay, and a fairly accurate (+/- 0. The relay board uses one AC input and a Two relay AC output. #Three Channel WiFi Relay/Thermostat Board. This board is not an official outlet for Relay or Republic Wireless information. com/4001264718777. 5. Specifications. Package include main board, and battery power cable. begin(115200); pinMode(relay, OUTPUT); } void loop() { // Normally Open configuration, send LOW signal to let current flow // (if you're usong Normally Closed configuration send HIGH signal) digitalWrite(relay, LOW); Serial. Works with Home Assistant, Domoticz and OpenHAB home automation systems as well as with Node-RED IoT platform. WiFi Relay board 4CH 2 Layers PCB 76 x 76 mm FR-4, 1. It is easy to set . 00 / Piece. NCD Relay boards allow you turn relays on or off, flash relays continuously, control relays for a duration of time, and control relays in groups using a cross-platform compatible long range wireless interface. 0mm. Communication protocol: ModBus TCP / ModBus UDP; It can control 2-channel relay boards with Serial Port/USB or Network interface, detect and show connection status of relay board continuously. Read about company. The WIFI Relay support 2. Working voltage: DC 5V-12V; Working current: ≥250mA; Communication: ESP01 or ESP 01S The Relay Dashboard is your browser-based command center for configuration, customization and communication. Designed for Industrial use, NCD WiFi relay controllers have a long service history and proven track record of reliability. In this video we use 2-channel wifi relay board which is manufacture by Experience Kit & WiFi Quad Relay Board -Double. Android Arduino Control Hardware Devices ,Android App Development, Android Programming. Our WiFi Relay boards makes it easy for computers of all types to control relays and monitor analog inputs. $4. However, as they produce only low-voltage DC power, you’ll need a relay board to activate lights, fans, or anything that requires much more power than a simple LED or two. The board has the Wifi module (ESP8266) and microcontroller (atmega328) which is used to control the relays through HTTP or MQTT. I found some documentation here and some more details of a similar product from the same vendor here. 2>. it does not need the internet. 00-$6. Using the mobile phone APP, only a simple configuration process can realize the wireless control of 2 relays. Supported by many modbus applications and professional software. Next we connect relay module to IN to digital pin on Arduin board. Watch the Video Tutorial. Be the first to review “ESP8266 10A 220V Relay WIFI Module 8ch Smart Board” Cancel reply. Option for on-board power supply; Up to three high quality 10A relays On board relay LED indicator , mode option and working statue LED indicator. ESP-RFID Relay Board basically makes any RFID reader wifi enabled and provides several ways to communicate with the reader, manage user cards and log access for the users. Product description: The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8-bit MCU chips. More data through MQTT for the Thermostat of the Relay board? 1: 199: 30 July 2020 New wifi relay unit arrived but cannot control with emoncms. LED on each channel indicates relay status. Inputs can be adjusted to control relays (standalone work). Choose between Key Fob, Long Range, WiFi, Bluetooth, & Industrial Wireless. It can control up to three AC or DC loads over the Internet using web UI or MQTT. The PCB has all components soldered to it, which means that was the matrix PCB for all Sonoff R3 series. I got a cheap wifi relay board off wish. Here is a custom application with touch panel demo video. sales@omatompower. On board relay LED indicator , mode option and working statue LED indicator NodeMcu is a tiny board, based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board. In this project, the ESP8266 Module acts as an HTTP Server. The relays can be controlled manually with the stand-art coils commands they also can act like timers. Relay only play as on/off switch for AC power. On board reset (en) and flash io0 button. 5V) and one UART port. Relay connected without any voltage regulator to input power directly. Working voltage: DC 5V-12V ; Working current: ≥250mA ; Communication: ESP01 or ESP 01S I have an esp8266 relay board that does do the AT commands, but the actual relay control and the logic behind the web interface is handled by a second tiny micro on the board that has the relay itself. Once it is powered on the WiFi module will act as an WiFi 802. With this smart relay, it is easy to DIY your smart switch to control any device by your phone anywhere. Onboard Relay: 5V,10A/250V AC 10A/30V DC relay. WiFi Relay Module Board Module Board For IOT Smart Home APP 5V Popular Practical. Function: 1>. Get the best deals on Wifi Relay when you shop the largest online selection at eBay. The relays can be controlled manually with the stand-art coils commands they also can act like timers. Onboard high performance microprocessor STM8S103 and ESP-01 WiFi modules. 10. Board contains a 5V activated relay by the onboard controller. Based on ESP-12F ESP8266 Wifi Board This relay board use one AC input, and supports two relay AC output. Whenever the client (in this case, the Android App) sends a request, the ESP8266 Servers accepts it and performs relevant operation. WiFi connection for very first time The module is shipped with set Wi-Fi mode AP (Access Point). Flashed also the same firmware and use the same case. com 2. Cheap Building Automation, Buy Quality Security & Protection Directly from China Suppliers:LPSECURITY 16 Channel LAN WAN WiFi Relay board controller /WiFi Relay Module/wireless remote control smart home relay switch Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 28 US$19. 4 (without debug, os module. 2>. Working power is DC 5V only,if you need 12V 24V 32V power source,please select our 12V item. It is ok for ESP-01 and N76E003, but not for relay. I have shared all the details like esp8266 NodeMCU pinout, circuit, Arduino sketch, Blynk App setup for this smart home project. The Linknode R4 features four Songle 10A 240/120V AC relays that operate on 5V DC coils. 00 / Piece. ESP8266 12V 1-CH WeMos D1 Mini Wifi Relay Shield Development Board for Arduino | eBay Skip to main content Multi-purpose relay board based on the ESP8266 WiFi SoC. If you want to connect it to your wifi router without changing the program you will need to send the following command. Feedback. Function features: 1. or d. Atmega328p Microcontroller. $59. SunFounder WiFi Relay USB DC 5V Relay Module Smart Home Wireless Switch Controller with APP, Ba Applied to Access Control, Turn on PC, Garage Door,Learning Program 4. Feature: 1>. Onboard SMPS module is used to convert 120V-230V AC to 5V DC. Download Project Resources View on Github . Malouf Electronics ESP8266 Development Board, High Capacity 16MB Flash, Relay, IR Receiver, IR Blaster, RS232 Interface, WiFi Module Works with Arduino/Micropython 4. The WeMos D1 Mini will then host a web page which a user can access via WiFi. The relay board comes with GI-1A-5DH relay capable of 10A. Find this and other Arduino tutorials on ArduinoGetStarted. The function and characteristics Onboard ESP8266 WIFI module, AP mode 5 client can be connected at the same time; Then we need to connect relay module. Please note the output AC power comes/connected from/with input AC power. 8 out of 5 stars 8 $17. 4. The relay board contains the RF antenna and circuit to control the relay with a 433MHz signal. 2. WiFi Two Relay with Power Monitoring module is specially designed and brought to market for Wifi enabled Building automation application. When pairing,make sure to put it close to your router. There are two electomechanical relays mounted on board to control (ON/OFF) external electrical loads from a mobile application or webpages using MQTT/HTTP protocol. CC3000 WiFi breakout board; Breadboard and jumper wires; For the Arduino board, I simply used an Arduino Uno R3 board. 2cm for Smart Home Next: WIFI Network Internet of Things IOT Development Board Module Based ESP8266 Module for Smart Home ESP8266 WiFi Relay Board Watch full video on YouTube https://youtu. Built-in 4M Byte Flash. Reserved UART debug interface and MCU download port for program. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it Wi-Fi Relay Controller. 99 Bigfoot WiFi Relay Board The idea behind this board is to allow you to focus on developing your product/project. Showing the single result. 45 17% Off 433Mhz LC-EWL-1R-D80RF WiFi Remote Relay Module Mobile APP Remote Control 2 reviews COD 1. Relay module has 5V power supply so we connect VCC to 5V power supply and GND is common to 5V and 3. Automatically obtain IP address mode,using a web search tool can search to a specific IP address. 7 out of 5 stars 15 $30. c. Mạch điều khiển wifi relay ESP8266 V12 được thiết kế gồm module Wifi ESP8266, board 4-lớp, đầu vào được bảo vệ quá dòng, và áp đầu vào được bảo vệ quá áp với TVS (transient voltage suppressor: dập xung quá áp), khi điện áp vượt quá 33V, mạch bảo vệ sẽ tự động hoạt ESP-01S ESP01S ESP8266 WIFI Module WIFI Wireless Sensor Switch Relay For SKR PRO V1. 100. It could control the relay by Android phone APP within the local area network (LAN). 0Get it here: https://dvdo. Turn on/off automatically according to schedule setting. 4 GHz, IEEE 802. The PCBs are designed as a dual layer stack with a 24-way FPC cable connecting the main control board to the relay board. Please note the output AC power comes/connected from/with input AC power. com/armtronix/Wifi_Bt_Esp32_Quad_RelayBuy from https://www. $79. Simple control electrical devices wirelessly from PC, Laptop, Smartphone or even via Internet. This Model helps you to avoid complicated wiring processes and save you much time to accomplish your goal. Integrated design; 2>. PCB material and manufacturing process meets the standards of Rohs . It’s easy to make your smart switch to any device by your phone anywhere with this smart relay. And here’s the POINT of this article. The ESP8266 WiFi Module is an extremely cost effective board. Support both AC and DC Input. 00 New. 4. Through the android app you can switch the relays on or off and view the status of the inputs. Provide develop environment reference code,suit for ESP8266 secondary development study, smart home wireless control. The output of the module is a passive output and it can be controlled by its 2-button IR wireless controller when the module is powered on. loads over the Internet using web UI or MQTT. 2>. 0Get it here: https://dvdo. Login the Wi-Fi Relay Controller Board to configure. It appears to be a clone of a China LC Technology ESP8266 5V WiFi relay module. 7. 20 Channel WIFI Relay app controls the 20 channel wifi relay board through wifi. On-board 8-Channel 8/10-Bit Analog to Digital Converters may be used for sensor monitoring or manual relay control applications. It could control the relay by Android phone APP within the local area network (LAN). Expansion options allow NCD relay controllers to scale up to 256 channels. The WiFi relay board is with 8 SPDT relays rated up to 7A each. Arduino Home An Open-Source platform to create digital devices and interactive objects that sense and control physical devices. 16 Channel WiFi Relay Module ; 8 Channel WiFi Relay Module ; Wi-Fi GPIO Modules . Relay Drive power can be same as DC board power or independent DC or AC power supply. Watch the following video tutorial or keep reading this page for the written instructions and all the resources. RDL WiFi Eight Channel Relay Application controls the relay by turning the WiFi Relay board On/Off. 254), port number 8899, as below: Cheap Relays, Buy Quality Home Improvement Directly from China Suppliers:New Version 16 Channel Network WIFI Relay Board Remote Control Module With P2P Definite Time Function Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. The relay board is a open software/hardware multi-purpose relay board based on the ESP8266 WiFi SoC. Cheap Home Automation Modules, Buy Quality Consumer Electronics Directly from China Suppliers:wifi ethernet relay board switch web server controller smart home automation work in LAN WAN PC phone APP Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Roxana Safipour is raising funds for Bigfoot WiFi Relay Board (Arduino based) on Kickstarter! A programmable board in an industrial watertight enclosure to easily control high voltage relays, WiFi, and digital and analog I/O. The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Part number for 12V relay is SRD-12VDC-SLC. TSRW430- 4 Channel WiFi Smartphone Controlled 30A Relay Board with Enclosure. c. 2 * WiFi Quad Relay Board 2 * Plastic casing for Four Relay Board (Have fun with wiring) 2 * WiFi Smart Switch with single Relay 2 * PIR Sensor 2 * Temperature Sensor 2 * I2C Oled 0. There is on board USB to UART and micro USB to program the ESP 8266 and atmega328 using suitable jumper settings. Over Wi-Fi, the relay states can be controlled with a simple GET statement for easy integration with your applications. NOTE: The board connects to and controls high voltage, knowledge and care is required to handle it ###Highlights. It could control the relay by Android phone APP within the local area network (LAN). Add Over The Air support to your esp8266 sketch with ArduinoOTA library and then you can upload new versions of your sketch over WiFi. The easier way to replace existing relay. wifi relay board


Wifi relay board