Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mmThe CruxF405HD ELRS AIO flight controller comes with integrated UART 2. 4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre installed) which could support 3 4s battery. Bigger Mosfet could support high to 20A currents would be better for 3 4S toothpick drone or long range FPV drone. Reserved 6 pin socket for DJI HD equipment plug and play. Its a great solution of build HD digital FPV drone . No longer supports 2S, only 3S 4S. Check out
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