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The Lost Counter... Morphed into a Count Down Timer

timer_proj

This is a fun househodl project that started out as a way to keep track of how long its been since we've lost something in this house, it happened alot! But alas, our needs have changed, it is a lost counter no more. Now it counts down to an exciting event. Usually Camping, but it could be anything.

It's an RGB dot matrix display powered by a raspberry pi running python using hzeller's rpi-rgb-led-matrix library found here:

https://github.com/hzeller/rpi-rgb-led-matrix

Just getting started...

This will have more info if I ever have time...

Hardware

  • RPI 3
  • Adafruit Medium 16x32 RGB LED matrix panel - 6mm Pitch (420)
  • Adafruit RGB matrix bonnett (3211)

Files

  • display_control.py
    • Modified example to count down to the target time read from t0.json
  • displaybase.py
    • Base Class supplied by hzeller's library used by display_control.py
  • t0.json
    • Contains the target time
  • config.json
    • Unused
  • launcher.sh
    • Bash script used to launch the countdown timer when the RPI starts up

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Fun little timer to track how long it's been since we lost something

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