02 TM1640 3mm matrix 8x16 - maxint-rd/arduino-modules GitHub Wiki

TM1640 3mm LED matrix module for dual 1088BS common cathode 8x8 3mm LED display.

For Arduino library see github.com/maxint-rd/TM16xx

02_TM1640_3mm_matrix_8x16

Schematic/PCB: https://easyeda.com/Maxint/tm1640-3mm-led-matrix-module

Watch this video to see how the module was made and tested:

Made: TM1640 LED matrix and ATtiny44 development module (too many PCBs?)