FIRMWARE INSTRUCTIONS
https://dl2man.de/3b-trusdx-firmware/
AVRDUDESS
https://blog.zakkemble.net/avrdudess-a-gui-for-avrdude/
DL2MAN - USDR
https://s.click.aliexpress.com/e/_DkESy39
USDR Black Box
https://s.click.aliexpress.com/e/_DF1z92n
DL2man Main Site
https://dl2man.de/
ABBREE BLUETOOTH MIC
https://s.click.aliexpress.com/e/_DeB7NrD
Bluetooth Sender
https://amzn.to/4dsMWfD
Green Case
https://s.click.aliexpress.com/e/_Deuufu7
Battery Pack
https://s.click.aliexpress.com/e/_Dku0LGj