Referensi
- Tutorial dari Arduino playground: “The MAX7219 and MAX7221 LED Drivers” https://playground.arduino.cc/Main/MAX72XXHardware
- Datasheet MAX7219/7221 Serially Interfaced, 8-Digit LED Display Drivers https://datasheets.maximintegrated.com/en/ds/MAX7219-MAX7221.pdf
- MAX7219 Serially Interfaced, 8 digit LED Display Drivers https://www.maximintegrated.com/en/products/power/display-power-control/MAX7219.html
- KV12088A/BS 8*8 LED Dot Matrix Display http://www.cnkavi.com/info.asp?id=140