Arduino Uno + potentiometer + OLED == virtual circular dial. Call it synchronicity, or manually setting a 16-bit number in an Arduino, or how to turn an OLED into a rotary dial... What am I talking ...

Update: Part3 is here (don’t get too excited..) This is all part of my personal challenge to quickly and accurately manually set 16bit numbers for microcontrollers.. Thanks to the earlier hard work of ...