Happymodel 1-2S Crux3 3 inch Brushless Toothpick Drone with Frsky SPI/Flysky SPI/DSM2/X SPI/RXSR/TBS Receiver
Happymodel 1-2S Crux3 3 inch Brushless Toothpick Drone with Frsky SPI/Flysky SPI/DSM2/X SPI/RXSR/TBS Receiver

Note:
- SPI Frsky version comes with the new X12 FRSKY AIO flight controller.
- SPI Flysky version includes Betaflight 4.2.2. Bind using
Bind_rxin CLI. - SPI DSMX version includes customized Betaflight 4.3.0. Bind using
Bind_rxin CLI. - RXSR version uses firmware
R-XSR_FCC_190311which is not compatible with ISRM v2.x.x. Please use ISRM V1.1.3.
Key Features
- 1-2S brushless toothpick drone – 41g without battery
- New AIO 4-in-1 CrazybeeX flight controller
- Equipped with Caddx Ant 1200TVL Global WDR FPV Camera
- EX1202.5 KV6400 brushless motors
- XT30 power connector
- Supports Insta360 GO camera
- Recommended batteries: 2S 350mAh / 400mAh / 450mAh / 520mAh
Specifications
| Brand | Happymodel |
| Model | Crux3 |
| Wheelbase | 115mm |
| Size | 97 x 97 x 35 mm (without propellers) |
| Weight | 41g (without battery) |
Receiver Options
- SPI Frsky (ACCST D8/D16, recommended D8)
- SPI Flysky (AFHDS & AFHDS-2A compatible)
- SPI DSM2/DSMX (Spektrum / multiprotocol compatible)
- External Frsky RXSR (ACCST D16 SBus)
- External TBS Crossfire Nano (CRSF protocol)
Package Includes
| Item | Quantity |
|---|---|
| Crux3 Frame and Canopy | 1 |
| CrazybeeX Flight Controller (varies by version) | 1 |
| EX1202.5 KV6400 Brushless Motors | 4 |
| Gemfan 3018 Bi-blade Propellers (4CW + 4CCW) | 1 Set |
| Caddx ANT 1200TVL Camera | 1 |
| 5.8G 25mW~200mW VTX (built into FC) | 1 |
| Screwdriver | 1 |
| Propeller Disassembly Tool | 1 |
| Happymodel Handbag | 1 |
Motor Specs (EX1202.5 KV6400)
- Configuration: 9N12P
- Stator Diameter: 12mm
- Stator Length: 2.5mm
- Shaft Diameter: 1.5mm
- Dimensions: 14mm x 14.5mm
- Weight: 4.4g
- Supported Voltage: 1S - 2S
Propeller Specs (Gemfan 3018-2)
- Diameter: 76.5mm
- Pitch: 1.8 inch
- Center Hole Diameter: 1.5mm
- Thickness: 5.5mm
Flight Controller (by Receiver Type)
- Frsky: CrazybeeX FR V2.2 – Firmware target: CrazybeeF4FR
- Flysky: CrazybeeX FS V2.2 – Firmware target: CrazybeeF4FS
- DSM2/X: CrazybeeX DXS V1.0 – Firmware target: CrazybeeF4DXS
- RXSR: CrazybeeX PNP V2.2 – Firmware target: CrazybeeF4DX
- CRSF Nano: CrazybeeX PNP V2.2 – Firmware target: CrazybeeF4DX
- MCU: STM32F411CEU6 (100MHz, 512K Flash)
- Sensor: MPU-6000 (SPI)
- Board Size: 28.5 x 28.5mm
- Power Input: 1-2S (DC 2.9V~8.7V)
- Built-in 4in1 ESC (5A each, peak 6A, EFM8BB21)
- Supports DShot600, BLHeli_S programmable
- Built-in OSD, 5V 1A BEC, 5.8G VTX
VTX Specs
- Output Power: 25mW~200mW switchable
- Frequency: 5.8GHz, 40 channels, 5 bands + Raceband
- Input Voltage: 3.3V~5.5V
- Current: ~300mA
- SmartAudio supported
Caddx ANT Camera
- Image Sensor: 1/3″ CMOS
- Resolution: 1200TVL
- Aspect Ratio: 4:3
- Shutter: PAL 1/50~100,000; NTSC 1/60~100,000
- Min Illumination: 0.001Lux@F1.2
- Lens: 1.8mm
- WDR: Global WDR, 3D DNR, BLC, AGC
- Dimensions: 14x14mm (with bracket: 19x19mm)
- Input Voltage: DC 3.7V~18V
- Weight: 2g
Description
Happymodel 1-2S Crux3 3 inch Brushless Toothpick Drone with Frsky SPI/Flysky SPI/DSM2/X SPI/RXSR/TBS Receiver

Note:
- SPI Frsky version comes with the new X12 FRSKY AIO flight controller.
- SPI Flysky version includes Betaflight 4.2.2. Bind using
Bind_rxin CLI. - SPI DSMX version includes customized Betaflight 4.3.0. Bind using
Bind_rxin CLI. - RXSR version uses firmware
R-XSR_FCC_190311which is not compatible with ISRM v2.x.x. Please use ISRM V1.1.3.
Key Features
- 1-2S brushless toothpick drone – 41g without battery
- New AIO 4-in-1 CrazybeeX flight controller
- Equipped with Caddx Ant 1200TVL Global WDR FPV Camera
- EX1202.5 KV6400 brushless motors
- XT30 power connector
- Supports Insta360 GO camera
- Recommended batteries: 2S 350mAh / 400mAh / 450mAh / 520mAh
Specifications
| Brand | Happymodel |
| Model | Crux3 |
| Wheelbase | 115mm |
| Size | 97 x 97 x 35 mm (without propellers) |
| Weight | 41g (without battery) |
Receiver Options
- SPI Frsky (ACCST D8/D16, recommended D8)
- SPI Flysky (AFHDS & AFHDS-2A compatible)
- SPI DSM2/DSMX (Spektrum / multiprotocol compatible)
- External Frsky RXSR (ACCST D16 SBus)
- External TBS Crossfire Nano (CRSF protocol)
Package Includes
| Item | Quantity |
|---|---|
| Crux3 Frame and Canopy | 1 |
| CrazybeeX Flight Controller (varies by version) | 1 |
| EX1202.5 KV6400 Brushless Motors | 4 |
| Gemfan 3018 Bi-blade Propellers (4CW + 4CCW) | 1 Set |
| Caddx ANT 1200TVL Camera | 1 |
| 5.8G 25mW~200mW VTX (built into FC) | 1 |
| Screwdriver | 1 |
| Propeller Disassembly Tool | 1 |
| Happymodel Handbag | 1 |
Motor Specs (EX1202.5 KV6400)
- Configuration: 9N12P
- Stator Diameter: 12mm
- Stator Length: 2.5mm
- Shaft Diameter: 1.5mm
- Dimensions: 14mm x 14.5mm
- Weight: 4.4g
- Supported Voltage: 1S - 2S
Propeller Specs (Gemfan 3018-2)
- Diameter: 76.5mm
- Pitch: 1.8 inch
- Center Hole Diameter: 1.5mm
- Thickness: 5.5mm
Flight Controller (by Receiver Type)
- Frsky: CrazybeeX FR V2.2 – Firmware target: CrazybeeF4FR
- Flysky: CrazybeeX FS V2.2 – Firmware target: CrazybeeF4FS
- DSM2/X: CrazybeeX DXS V1.0 – Firmware target: CrazybeeF4DXS
- RXSR: CrazybeeX PNP V2.2 – Firmware target: CrazybeeF4DX
- CRSF Nano: CrazybeeX PNP V2.2 – Firmware target: CrazybeeF4DX
- MCU: STM32F411CEU6 (100MHz, 512K Flash)
- Sensor: MPU-6000 (SPI)
- Board Size: 28.5 x 28.5mm
- Power Input: 1-2S (DC 2.9V~8.7V)
- Built-in 4in1 ESC (5A each, peak 6A, EFM8BB21)
- Supports DShot600, BLHeli_S programmable
- Built-in OSD, 5V 1A BEC, 5.8G VTX
VTX Specs
- Output Power: 25mW~200mW switchable
- Frequency: 5.8GHz, 40 channels, 5 bands + Raceband
- Input Voltage: 3.3V~5.5V
- Current: ~300mA
- SmartAudio supported
Caddx ANT Camera
- Image Sensor: 1/3″ CMOS
- Resolution: 1200TVL
- Aspect Ratio: 4:3
- Shutter: PAL 1/50~100,000; NTSC 1/60~100,000
- Min Illumination: 0.001Lux@F1.2
- Lens: 1.8mm
- WDR: Global WDR, 3D DNR, BLC, AGC
- Dimensions: 14x14mm (with bracket: 19x19mm)
- Input Voltage: DC 3.7V~18V
- Weight: 2g











