RP2040-code/Clock/README.md

Analog Clock on an RP2040.

There is also an asscociated Instructable detailing the hardware.

https://github.com/oddwires/RP2040-code/assets/3483157/f9f16b66-ea9f-45c7-9ec1-8131fb11000c

Features:

• Two independent 8-bit Digital to Analog (DAC) channels using R-2R networks.
• Oscilloscope XY mode to plot an analogue clock.
• C++ program
• Single USB provides power, programming and control.
• Solder-less construction.

Supported commands

• ? - Help
• T - Set time
  • Notation: HH:MM:SS or HH,MM,SS
  • HH can be either 12 or 24 hour notation. e.g. '03:00:00' is the same as '15:00:00'
  • Delimiter can be either ':' or ','. e.g. '15:00:00' is the same as '15,00,00'
  • MM is in the range 0<=MM<=59
  • SS is in the range 0<=SS<=59
  • Leading zeros can be omitted. e.g. '1:2:3' is the same as '01:02:03'
  • Trailing parameters can be omitted. e.g. '12:15' is the same as '12:15:00'
• L - Set level
  • Notation: 2 digit percentage 0<=NN<=100
• V - Version info
• X - Invert X axis
• Y - Invert Y axis

Limitations:

• USB serial requires Windows (10 or later)