Freetronics LED pannel displaying MQTT messages via an ESP32.
EP32 Pin out
Pin out for ESP32
Note ESP Pin 18 is actually SCK its named incorrect on the pin header
| Arduino | DMD Header | ESP Pin |
|---|---|---|
| AREF | REF A | |
| GND | GND | GND |
| D13 | CLK | 18 |
| D12 | D12 | |
| D11 | R | 23 |
| D10 | D10 | |
| D9 | NOE | 14 |
| D8 | SCLK | 25 |
| D7 | B | 26 |
| D6 | A | 27 |