I built a simple clock that shows the current time and moon phase on a Waveshare 1.3" display. With the onboard IMU, it switches screens automatically when you tilt the device. I used 30 moon phase images to show a more accurate phase for each day of the lunar cycle
Video : https://youtu.be/ScfyBrpetvk
Code : GitHub - nishad2m8/WS-1.3
OBP : GitHub - nishad2m8/Squareline-OBP