Bought the geekcreit esp32 dev v1 board a year ago and didn't have to hold the boot button down to download a new program. Purchased a bunch more this month and now I do have to hold the boot down when downloading from the Arduino IDE. Pain. I have read the "esp32 boot mode selection" page, but I do...

I tried the tmrpcm library since it had a key feature: playing multiple concurrent wav files. But it didn't compile with issues related to timers. C:\Users\Owner\Documents\Arduino\libraries\TMRpcm-master\TMRpcm.cpp:104:31: error: 'TCCR1A' was not declared in this scope volatile byte *TCCRnA[] = {&TC...