In a project I was just completing based on the Ideaspark SSD1306 ESP32 module with an oled, after testing the whole thing with a Serial USB port, I was forced into a last minute implementation kludge ...

I have a good working Arduino Sketch that I now am porting from a M5Dial to my new M5NanoC6. I have a M5 OLED and a M5 RTC unit connected to the M5NanoC6 GROVE port (pins G1 and G2) via a M5 GROVE HUB ...