I am building a Star Wars BD-1 droid. I am done with the build, the wiring, and now have hit a snag in the coding. Someone on the Build Boards shared this sketch for an ESP32. I have loaded all the appropriate libraries. But, when I compile, I get this error. I only understand basic coding lang…

probably problem with update from ESP32 core V2.x to V3.X - see Migration from 2.x to 3.0 try replacing the callback void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len) { with void OnDataRecv(const esp_now_recv_info_t* mac, const unsigned char* incomingData, int len) {

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horace May 11, 2025, 5:00am 5

before attempting the program of post 1 did you test each device etc in a separate program to ensure it worked?
how do you power the system? upload a schematic?

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