Template: ESP32-RGB-Matrix-P3-64x32 Manual

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Demo example

Hardware connection

Materials needed

  • RGB-Matrix-P3-64x32(This product)
  • NodeMCU-32S(To be purchased separately, if not, it is recommended to buy a version with a soldered pin header, which is convenient for direct insertion)

ESP32 connection pin correspondence

RGB LED Matrix Pins used (HUB75 interface)
bottom plate ESP32 Pin description
R1 GP13 High-order R data
A GP19 A row selection
B GP23 B line selection
C GP18 C row selection
D GP5 D line selection
E GP15 E row selection
CLK GP14 Clock Input
STB/LAT GP22 Latch Pin
OE GP0 Output Enable
Connect data input to data output
Data Input Data Output Pin Description
G1 R2 High G data
B1 G2 High-order B data
R2 R1 Lower R data
G2 G1 Low G data
B2 B1 Lower B data


Software settings

  • Download arduino-1.8.15 (corresponding library files have been installed)
  • After connecting the wires according to the hardware connection diagram, the software settings are as follows:

Example display

Tetris clock (with network calibration)

The running effect of the sample program is shown in the figure below:

DSC 0348.jpg

【Function Description】

  • Time display screen:
    • Time calibration via ESP32 network
    • display time
    • Block animation effect display