Resolved! Hi! First posted question: I have a M5Stack Stamp-IO with a STM32F030F4P6 on it and nothing else, except UART access pins and GPIO.
I am a 10yr Arduino IDE programmer and I have a cheap ST-Link V2 (Canaduino). M5Stack provides a copy of the firmware and I would like to experiment with making it a stand alone MCU that could read inputs and respond with outputs. I would like to do ...