ScStw/ESP32-HUB75-MatrixPanel-DMA
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@ -133,6 +133,8 @@ HUB75_I2S_CFG mxconfig(
dma_display = new MatrixPanel_I2S_DMA(mxconfig);
```
Make sure you also connect one of the HUB75 interfaces ground pins to a ground pin of the ESP32, otherwise you may get electrical artefacts on LED Matrix Panel.
Various people have created PCBs for which one can simply connect an ESP32 to a PCB, and then the PCB to the HUB75 connector, such as:
* Brian Lough's [ESP32 I2S Matrix Shield](http://blough.ie/i2smat/)