Product Description

This module uses TM1640 LED (light-emitting diode display) drive control chip, which integrates MCU digital interface, data latch, LED drive and other circuits. The module can be controlled by 51, Arduino and other single-chip computers to display models, numbers, etc.

Product Parameter

1. The common cathode lattice adopted 8*8;

2. The module needs 3.3V and 5V power supply (3.3V and 5V must be powered at the same time);

3. LED dot matrix glows red

Remark:

3.3V and 5V modules should be powered at the same time when used.