Datasheet

The Firmware of inside MEGA328
EasyLoader
1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a
product-related case program. It can be burned to the master through simple steps, and a series
of function verification can be performed.(Currently EasyLoader is only available for Windows
OS)
2.After downloading the software, double-click to run the application, connect the M5 device to
the computer via the data cable, select the port parameters, and click "Burn" to start burning.
PinMap
Mega328 ISPDownload interface Pin foot definition
Example
1. Arduino IDE
The below code is incomplete(just for usage)
3.The CP210X (USB driver) needs to be installed before the EasyLoader is burned.
M5Stack Docs