IDD1013 DAT

• DMA version
• https://w.electrodragon.com/w/ESP32_DMA_RMP
• https://www.electrodragon.com/product/rgb-matrix-panel-drive-interface-board-for-esp32-dma/

Code And Test Demo

• lib: https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA

new lib pin definitions

file: esp32-default-pins.cpp

#define R1_PIN_DEFAULT  25
#define G1_PIN_DEFAULT  26
#define B1_PIN_DEFAULT  27
#define R2_PIN_DEFAULT  14
#define G2_PIN_DEFAULT  12
#define B2_PIN_DEFAULT  13

#define A_PIN_DEFAULT   23
#define B_PIN_DEFAULT   19
#define C_PIN_DEFAULT   5
#define D_PIN_DEFAULT   17
#define E_PIN_DEFAULT   -1 // IMPORTANT: Change to a valid pin if using a 64x64px panel.
            
#define LAT_PIN_DEFAULT 4
#define OE_PIN_DEFAULT  15
#define CLK_PIN_DEFAULT 16

old setup file

#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>

board pin definitions

#define R1_PIN_DEFAULT  25
#define G1_PIN_DEFAULT  26
#define B1_PIN_DEFAULT  27
#define R2_PIN_DEFAULT  14
#define G2_PIN_DEFAULT  12
#define B2_PIN_DEFAULT  13

#define A_PIN_DEFAULT   23
#define B_PIN_DEFAULT   19
#define C_PIN_DEFAULT   5
#define D_PIN_DEFAULT   33
#define E_PIN_DEFAULT   18 // IMPORTANT: Change to a valid pin if using a 64x64px panel.
        
#define LAT_PIN_DEFAULT 4
#define OE_PIN_DEFAULT  15
#define CLK_PIN_DEFAULT 32

ENV

• arduino-IDE - 1.8.19
• lib - version 3.0.5
• esp32 2.0.6

note

• better test with a 32 x 64 panel
• 64 x 64 will need to setup E-line
• result