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radio transmitter of the drone

in Arduino by (360 points)

1 Answer

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One is a 12V plug. If you don't want that you don't have to place it. The other one is a voltage level read and a 3.3V voltage regulator for the NRF24 module. The voltage level is not necessary. But the 3,3V voltage regulator is needed!
by (34.8k points)