note

LED表示器（MAX7219）を使ってみました:マイクロビット

Facebookの「Micro:bitプログラミング教育研究室」に、“8×8のドットマトリックスLEDモジュール” 「MAX7219」を使って、マイクロビットの表示機能を拡張させる投稿を見つけ、面白そうだったので購入して使ってみることにしました。 音楽を流しながら、「MAX7219 ...
GitHub

Dot_Matrix_Display_Interface.ino

write_to_MAX7219(0x0C,0x01); //Shutdown Register Format - Normal Operation write_to_MAX7219(0x09,0x00); //Decode-Mode Register - No decode for digits 7-0 write_to ...
Hackaday

led matrix display

Like so many of us, [aforsberg] found themselves fascinated with the WOPR computer from WarGames — something about all those blinking LEDs must speak to nerds on some subconscious level. But rather ...
EDN

Display Driver Shield with MAX7219

Maxim’s MAXREFDES99# is an Arduino® form-factor shield which drives a 16×16 LED array for signage applications. This design is ideal for anyone developing a display application. The board features ...
GitHub

dot-matrix

Code to read a resistive Gear Position Sensor (GPS) and output the current gear position to either a Seven Segment display or an 8x8 Dot Matrix.