LCD connected to AR-150 (Update)


following this tread. will work also on this later.


i2c would have been my first approach as that saves the UART for debug

There’s a number of SSD1306 based 128*32 i2c boards, but they still need power… Where are you pulling power from on the OLED?

Grabbing from the USB port might be enough, as these little OLED displays only draw about 15ma or so…