https://tinkersprojects.com/p10_bitbang-library/
This is a library to allow any pins to be connected to a P10 LED display.
P10_BitBang(uint16_t _w, uint16_t _h,int8_t _clk, int8_t _sclk, int8_t _data, int8_t _en, int8_t _a, int8_t _b)
All other functions are found https://github.com/adafruit/Adafruit-GFX-Library
#include <P10_BitBang.h>
#define enPin 16
#define aPin 14
#define bPin 12
#define DataPin 5
#define clkPin 13
#define sclkPin 3
#define width 32
#define height 16
P10_BitBang LEDdisplay(width, height,clkPin, sclkPin, DataPin, enPin, aPin, bPin);
void setup()
{
//ESP.wdtDisable();
LEDdisplay.begin();
LEDdisplay.clear();
LEDdisplay.drawChar(2, 5, 'H', 1, 0, 1);
LEDdisplay.drawChar(8, 5, 'E', 1, 0, 1);
LEDdisplay.drawChar(14, 5, 'L', 1, 0, 1);
LEDdisplay.drawChar(20, 5, 'L', 1, 0, 1);
LEDdisplay.drawChar(26, 5, 'O', 1, 0, 1);
LEDdisplay.drawRect(1, 13, 30 , 2, 1);
}
void loop()
{
LEDdisplay.printData();
}