Matrix LED Shielding V1.0.0 for WEMOS D1 mini 8x8 Matrix Dot Matrix LED

Product Parameters

1. Adopting an 8 * 8 common cathode lattice;

2. The module requires 3.3V and 5V power supply (3.3V and 5V need to be powered simultaneously);

3. LED dot matrix emits red light;

Product Introduction

This module uses TM1640 LED (Light Emitting Diode Display) driver control dedicated chip, which integrates MCU digital interface, data latch LED driver and other circuits. The module can be controlled by microcontrollers such as 51 and Arduino to display required patterns, numbers, etc.

Product Functions

Usage 1: Connect the wires as shown above, and connect the Arduino NANO USB port to the computer. Open Arduino lDE and download the draw_det.ino program to the Arduino NANO microcontroller as shown in the following figure

After successfully uploading the draw dot-INO program, the first line will be fully lit at first, then gradually turned off, and finally only one light spot will be visible moving as shown in the figure:

Usage 2: Connect the wires as above and connect the Arduino NANO USB port to the computer. Open Arduino lDE and download the intensity.ino program to the Arduino NANO microcontroller as shown in the following figure:

After successfully uploading the intensity.ino program, all the dots will light up, and the brightness of the dots will change from dark to bright and then from bright to dark as shown in the figure:

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