/LC_Wifi_Relay_ESP01_circuit_fix

ESP8266 ESP01 Wifi relay circuit fix on relay side

Primary LanguageC++

ESP8266 ESP01 Relay module fix

Original info

5V or 12V WiFi relay module carried a ESP8266 WiFi module and microcontroller. It will send the serial port instructions to the cell phone APP and Implementation within the local area network (LAN) for wireless control relay.

Vendor materials

Product site: http://www.chinalctech.com/cpzx/1/332.html More tools and docs under vendor materials directory

Orig Relay Orig Relay

The issues

Realay cannot switch but the code running fine in esp8266 wifi module and GPIO send high signal

Tha fix

Test code

Arduino ino and header with wifi login infor all file available in 'test_code' folder

  • The modified schematic

Schematic

  • Modified circuit

Circuit board

At work

Switch On

Switch On

  • Relay test video

Modifcation by Charles K Barcza - kbarcza@blackpantehr.hu