# Using HTTP request flowkaarten to controll ESP8266 WIFI 4 Channel Relay Module **URL:** \ **Category:** Apps\ **Created:** [April 5, 2021, 2:57pm UTC](https://community.homey.app/t/using-http-request-flowkaarten-to-controll-esp8266-wifi-4-channel-relay-module/45790 "2021-04-05T14:57:54Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Daniel\_Kerkmeijer](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/daniel_kerkmeijer/32/33958_2.png) [@Daniel\_Kerkmeijer](https://community.homey.app/u/Daniel_Kerkmeijer)\ **Post date:** [April 5, 2021, 2:57pm UTC](https://community.homey.app/t/using-http-request-flowkaarten-to-controll-esp8266-wifi-4-channel-relay-module/45790/1 "2021-04-05T14:57:54Z")
Hi, I have a ESP8266 WIFI 4 Channel Relay Module ([DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home - WiFi Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation](http://www.icstation.com/esp8266-wifi-channel-relay-module-remote-control-switch-wireless-transmitter-smart-home-p-13420.html)). The relays can be controlled by sending hex values to the ip address of the module. I was thinking to use HTTP request but did not find a way how to write values to an IP address. Does anyone have experience with this or an other solution to do this? ---
**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\ **Post date:** [April 5, 2021, 3:00pm UTC](https://community.homey.app/t/using-http-request-flowkaarten-to-controll-esp8266-wifi-4-channel-relay-module/45790/2 "2021-04-05T15:00:36Z")
- Built-in Logic’s “Make a web request” action card - [HTTP request flow cards](https://homey.app/en-gb/app/com.internet/HTTP-request-flow-cards/) app - [Advanced REST Client](https://homey.app/en-gb/app/ch.philippewechsler.rest/Advanced-Rest-Client/) app