The great thing about ELRS is that you can't brick them. While you can make them unresponsive, you do have the opportunity to bring them back to live - that's where this flash tool can come in handy. O course, you can flash things without breaking them first, but we should try all the options!

This UART tool and the True Diversity receiver were kindly supplied by RadioMaster for review so please consider using the following affiliate links if you want to check them out in more detail:
UART Flash Tool - https://www.radiomasterrc.com/product...
RP4TD True Diversity RX - https://www.radiomasterrc.com/product...

Don't forget to check out https://www.pcbway.com/ for PCB prototyping, 3D printing, and more!

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0:00 Intro
2:10 PCBWay segment
2:49 Close up look
6:13 Connecting probes to an RX
8:03 Putting an RX in boot loader mode
8:42 Attempting to flash an RX
9:00 Getting TX/RX right and flashing the RX
10:03 Attempting to break the RX to recover it
16:48 Notes on the RP4TD RX
17:43 Making the probes connect better
18:05 Flashing with the pogo pins
22:46 Conclusions