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Happymodel Crazybee F4 PRO V2.1 PNP No Receiver
Multirotors → Tinywhoops → Tinywhoop Flight Controllers → Brushless Whoop FC → Happymodel Crazybee F4 PRO V2.1 PNP No Receiver![Happymodel Crazybee F4 PRO V2.1 PNP No Receiver Happymodel Crazybee F4 PRO V2.1 PNP No Receiver](https://ae01.alicdn.com/kf/H1a41cae06a1c483faa0bd463da0fe1964/Crazybee-F4-Pro-V2-1-Brushless-Flight-Controller-2-3S-Frsky-Flysky-DSM-X-Protocol-RX.jpg)
Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller w/ 5A ESC & Compatible Receiver for Sailfly-X RC Drone
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
(DSM2/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
![Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller 5A ESC & Compatible DSM2 Frsky Flysky RX for Sailfly-X RC Drone](https://img.staticbg.com/newimages/grey.gif)
![Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller 5A ESC & Compatible DSM2 Frsky Flysky RX for Sailfly-X RC Drone](https://img.staticbg.com/newimages/grey.gif)
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
(DSM2/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
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
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 compatibleChannels: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
![Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller 5A ESC & Compatible DSM2 Frsky Flysky RX for Sailfly-X RC Drone](https://img.staticbg.com/newimages/grey.gif)
![Happymodel Crazybee F4 PRO V2.1 2-3S Flight Controller 5A ESC & Compatible DSM2 Frsky Flysky RX for Sailfly-X RC Drone](https://img.staticbg.com/newimages/grey.gif)
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Prices for Happymodel Crazybee F4 PRO V2.1 PNP No Receiver in stores
Deals found: 32 ()
See also
![Happymodel Crazybee F4 PRO V2.1 BNF Frsky Happymodel Crazybee F4 PRO V2.1 BNF Frsky](https://ae01.alicdn.com/kf/H4d9df7d9ab054e28bc5278c9e37669337/Happymodel-Crazybee-F4-PRO-V2-1-2-3S-Flight-Controller-5A-ESC-Compatible-DS-M2-Frsky.jpg)
Happymodel Crazybee F4 PRO V2.1 BNF Frsky
$45
![Happymodel Crazybee F4 PRO V2.1 BNF Flysky Happymodel Crazybee F4 PRO V2.1 BNF Flysky](https://ae01.alicdn.com/kf/H4d9df7d9ab054e28bc5278c9e37669337/Happymodel-Crazybee-F4-PRO-V2-1-2-3S-Flight-Controller-5A-ESC-Compatible-DS-M2-Frsky.jpg)
Happymodel Crazybee F4 PRO V2.1 BNF Flysky
$45
![Happymodel Crazybee F4 PRO V2.1 BNF DSM Happymodel Crazybee F4 PRO V2.1 BNF DSM](https://ae01.alicdn.com/kf/H4d9df7d9ab054e28bc5278c9e37669337/Happymodel-Crazybee-F4-PRO-V2-1-2-3S-Flight-Controller-5A-ESC-Compatible-DS-M2-Frsky.jpg)
Happymodel Crazybee F4 PRO V2.1 BNF DSM
$48
![Happymodel XT30 Plug + Wire + 100uF Capacitor for whoops Happymodel XT30 Plug + Wire + 100uF Capacitor for whoops](https://img.staticbg.com/thumb/large/oaupload/banggood/images/B0/F5/39bbbb88-8306-4ba1-8d62-e78ac98d3825.jpg)
Happymodel XT30 Plug + Wire + 100uF Capacitor for whoops
$1.02
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