Short answer, yes it is possible. Long answer, you are missing one important thing. BLE_client will connect to BLE_server device if and only when BLE_server will advertise serviceUUID and advertised serviceUUID is the same BLE_client is looking for: https://github.com/nkolban/ESP32_BLE_Arduino/blob...

Hello , can some one help me ? I'm new in arduino and Programs We suppose that we have 2 Esp32 , Esp1 and Esp2 I want to Read with my Esp1 an input of the Esp2 and then i turn on a lamp in my Esp2 , or the Esp2 sends an information of the input and send it to My Esp2 I tried with the example of Serv...