ExpressLRS 2 4Ghz Transmitter Module Build and Flash

Stepping through the build process for building and flashing a DIY ExpressLRS transmitter module - JR Bay size. Details, including the BOM for all parts required can be found on the ELRS Github page: https://github.com/ExpressLRS/Express... The drivers needed for the ESP32 development board can be found here: https://www.silabs.com/developers/usb...