Microsquad

How to connect external Receiver to the Crazybee F3

Article1 min readUpdated Feb 23, 2025View source ↗
The new version Crazybee F3 flight controller has released RX3 to use External receiver like PPM/SBUS/IBUS/DSMX .etc. 1. Connect the external receiver. (Support PPM/SBUS/IBUS/DSM2/DSMX) to Crazybee F3 flight controller like the bellowing picture.. 2. Enable Serial RX for UART3. if you use SBUS/IBUS/DSM2/DSMX protocol serial-based receiver (PPM receiver don’t need to enable serial rx). . 3. Choose the same protocol for your receiver. for example: Choose serial-based receiver and select SBUS for Frsky sbus receiver / Futaba Fasst, S-FHSS , Select IBUS for Flysky IBUS receiver , Select Specktrum1024 for DSM2 and Spektrum2048 for DSMX. PPM receiver please choose PPM RX input. . .
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