Esp32_relay x1_v1.2

Other Hardware 3rd Party Boards
9

Hello , the clicking must be the program in it , you could upload your program using TTL it should be
TTL : 5v , RX , TX , GND
ESP : 5v , TX, RX , GND (GND - IO0) short Gnd and IO0

board = esp32doit-devkit-v1