I am looking information for ESP8266 ESP-01 5V 4-Channels WiFi Relay Module
link https://robu.in/product/esp8266-esp...MI2tHYufeu-QIVERBgCh00OQGvEAQYBCABEgI6kfD_BwE
There are only two GPIO pin of ESP 01 module. so it can only control two relays. I don't understand how ESP01 is controlling four relay on the board
link https://robu.in/product/esp8266-esp...MI2tHYufeu-QIVERBgCh00OQGvEAQYBCABEgI6kfD_BwE
There are only two GPIO pin of ESP 01 module. so it can only control two relays. I don't understand how ESP01 is controlling four relay on the board