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We are on Chinese New Year Holiday from January 19th to January 28th, orders during this period will be processed and shipped from January 29th. New Year Storewide Sales: 8% off; Code: MKF2023 (from January 19th to January 28th)
We are on Chinese New Year Holiday from January 19th to January 28th, orders during this period will be processed and shipped from January 29th. New Year Storewide Sales: 8% off; Code: MKF2023 (from January 19th to January 28th)

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CRF4_PRO No RX V2.1/DSMX PRO V2.1/FLYSKY PRO V2.1/FRSKY PRO V2.1(Brushless)2-3s Lipo for Sailfly-X

SKU 6015633
Save 20% Save 20%
Original price $69.99
Original price $49.99 - Original price $69.99
Original price $69.99
Current price $55.99
$40.99 - $55.99
Current price $55.99
Receiver: Compatible DSMX Receiver

Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller 5A ESC & Compatible DSM2 Frsky Flysky RX for Sailfly-X RC Drone - Compatible Frsky Receiver

Specification:
Brnad Name: Happymodel
Model: Crazybee F4 PRO V2.1
Item Name: Crazybee F4 Flight Controller built-in 5A ESC & Receiver
Optional Receiver Version: Without Receiver/ Compatible Frsky Receiver/ Compatible Flysky Receiver/ Compatible DSM2/DSMX Receiver
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Board size: 28.5 * 28.5MM
Power supply: 2-3S battery input (DC 7.4-13V)
Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Receiver ( Diffirent version having diffirent receiver,   without receiver version doesn't have rx)
Built-in Betaflight OSD(SPI Control)
Built-in Current meter Max 28A
Current meter scale set to 1175
Built-in 5V 1A BEC with LC filter
Built-in voltage detection

Firmware:
(Frsky version) CRAZYBEE F4FR PRO V2.1 Firmware target: CrazybeeF4FR
(Flysky version) CRAZYBEE F4FS PRO V2.1 Firmware target: CrazybeeF4FS
(DSMX version) CRAZYBEE F4DX PRO V2.1 Firmware target: CrazybeeF4DX
(No RX version) CRAZYBEE F4 PRO V2.1 Firmware target: CrazybeeF4DX

Onboard 5A 4 In 1 ESC
MCU upgraded to EFM8BB21
Power supply: 2-3S LiPo/LiPo HV (7.4v/13v)
Current: 5A continuous peak 6A (5 seconds)
Support BLHeliSuite programmable
Factory firmware: S_H_50_REV16_7.Hex
Default protocol: DSHOT600

Onboard Receiver
Frsky version:  Built-in SPI Frsky receiver with telemetry(D8/D16 switchable)
                         Compatible both Non EU and EU-LBT transmitter Channels: 8ch or 16ch
                         EU-LBT support(need to update betaflght v4.0 date 2019-04-11)
                         Failsafe support
                         No ground interference ( Transmitter and receiver 1 m from the ground): 300m
 
Flysky version: Protocol: AFHDS and AFHDS-2A Switchable
                         Channels: 8ch(AFHDS) or 14ch(AFHDS-2A)
                         No ground interference ( Transmitter and receiver 1 m from the ground): 300m
                         Failsafe support
 
DSMX version: Protocol: DSM2/DSMX compatible
                         Channels:6-9 (Depend on your radio)
                         No ground interference ( Transmitter and receiver 1 m from the ground): 300m

No RX version: No RX version support external serial-bus receiver like xm+, crossfire, S-FHSS etc

Package Included:
1x Happymodel Crazybee F4 PRO V2.1 Flight Controller

CRF4_PRO No RX V2.1/DSMX PRO V2.1/FLYSKY PRO V2.1/FRSKY PRO V2.1(Brushless)2-3s Lipo for Sailfly-XCRF4_PRO No RX V2.1/DSMX PRO V2.1/FLYSKY PRO V2.1/FRSKY PRO V2.1(Brushless)2-3s Lipo for Sailfly-X