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

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：
  
• Notice:
  • You need to set up wifi, otherwise the program will not work properly

Example display

Tetris clock (with network calibration)

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

【Function Description】

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