HappyModel Diamond F4 5in1 1s Brushless Flight Controller - ELRS Version

Ultra-light 1S all-in-one flight controller with switchable VTX power output, 5A ESC, MPU6000 and supporting ELRS protocol. To save weight, HappyModel decided to go with direct motor soldering instead of the connector seen on previous boards.

Flight Controller:

• Firmware target: CrazybeeF4SX1280
• MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
• Sensor: ICM42688P (SPI connection)
• Weight: around 3.4g
• Original whoop size
• Power supply: 1S battery input (DC 2.9V-4.35V)
• Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
• Built-in Betaflight OSD (SPI Control)
• Built-in 5.8G OpenVTX
• Built-in SPI ELRS
• Built-in 5V 1A BEC

4in1 ESC:

• MCU upgraded to EFM8BB21
• Power supply: 1S LiPo/LiPo HV
• Current: 5A continuous peak 6A (3 seconds)
• Support BLHeliSuite programmable
• Factory firmware: O_H_50_REV16_8.HEX
• Default protocol: DSHOT600

SPI Receiver:

• Packet Rate option: 50Hz/150Hz/250Hz/500Hz
• ExpressLRS Firmware version: V2.0
• RF Frequency: 2.4GHz
• Antenna : Enameled copper wire antenna
• Telemetry output Power: <12dBm
• Receiver protocol:  SPI ExpressLRS
• Compatible with ExpressLRS V2.0 TX Module

VTX:

• Firmware version: OPENVTX
• Smartaudio v2.1
• PIT Mode support
• RCE Mode support
• Channels:48ch
• Transmitting Power: 0/RCE/25mw/100mw/400mw
• Power supply: DC 5V
• Current (5v): <650ma (400mw)

VTX table here
Wiring diagram here

Please note that all warranty claims are handled and approved by Happy Model only.  If you have any issues please contact them here

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