Fly-E3-Pro-V3 overview and installing RepRapFirmware (RRF) from TeamGloomy
Here are some useful links.
The board can be purchased here https://www.aliexpress.com/item/10050...
The TeamGloomy wiki is here https://teamgloomy.github.io/fly_e3_p...
The Configtool is here https://teamgloomy.github.io/Configur...
And the Discord channel is here / discord