LED 선 https://github.com/hzeller/rpi-rgb-led-matrix/blob/master/wiring.md
테트리스 https://www.omdroid.com/87
뱀 게임(AI) https://github.com/chuyangliu/snake
음성인식(Google Assistant) https://developers.google.com/assistant/sdk/guides/service/python/
카메라 (얼굴인식) https://blog.naver.com/ljy9378/221429970163 install the openCV, face recognition
이미지 유사도 측정 https://blog.naver.com/samsjang/220657424078
Tetris in RGB Matrix https://github.com/bradcornford/Rgb-Matrix-Tetris.git