Controlling your World the Easy Way

I recently picked up a few different model ESP32 boards to try out--BAT, BAT-PRO, and FEATHER. On the FEATHER and the BAT-PRO, the tactile reset switches are unlike any I've seen before. Rather than the normal plastic button, they have a gold dome that depresses. Is this normal or has something dama...

I have very similar goals, and it can be done. I'm a little surprised there is not a way to do this natively with the hardware. However, the USB-UART bridge drives its TX line high when the USB is connected. When it is disconnected, the bridge makes it high impedance. I'm using the ESP-IDF library, ...