This is directly using the sx1280 wireless module. It has a high success rate. The main control is ESP01F. The open source address is https://github.com/ExpressLRS/ExpressLRS.
2021-10-19
Today, I re-coated the PCB that was not put together. The previous bug of short-circuiting the positive and negative poles did not appear. It can be used as a board. Please check the DRC yourself for the put-up PCB !
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