Notes:

SPI Frsky version comes with the new X12 FRSKY AIO flight controller now
SPI Flysky version comes with Betaflight 4.2.2 firmware . Bind code is "Bind_rx" in the CLI command
SPI DS MX version comes with Customized Betaflight 4.3.0 firmware . Bind code is "Bind_rx" in the CLI command.
 

Features:
41gram 1-2s brushless Toothpick drone
New AIO 4in1 CrazybeeX flight controller
CADDX ANT Camera
New 1202.5 brushless motor
XT30 connector
Recommend to use 2s 350mah/400mah/450mah/520mah battery
Compatible with Insta360 Go Camera

Specifications:
Brand Name: Happymodel
Item Name: Crux3
Wheelbase: 115mm
Size: 97mmx97mmx35mm(without propellers)
Weight: 41g(without battery)

Receiver option:
Internal SPI Frsky version (Compatible with ACCST D8/D16, Recommend D8 mode)
Internal SPI Flysky version(Compatible with AFHDS and AFHDS-2A Flysky transmitter)
Internal SPI DS M2/DS MX version(Compatible with Spe ktrum or Multiprotocol DS M2/X radio)

Package includes:

Item Name	Qty
Crux3 Frame and canopy	1
Option1: CrazybeeX FR V2.2 built-in internal Frsky SPI D8/D16 receiver	1
Option2: CrazybeeX FS V2.2 built-in internal Flysky SPI receiver
Option3:CrazybeeX DXS V1.0 built-in internal DS M2/DS MX SPI receiver
Happymodel EX1202.5 KV6400 brushless motor	4
Gemfan 3018 bi-blade Propellers(4cw+4ccw)	1
Caddx Ant 1200TVL Global WDR with OSD 2g Ultra Light Nano FPV Camera	1
5.8G 25mw~200mw 40ch vtx (Flight controller built-in)	1
Screw Driver	1
Propeller disassemble tool	1
Happymodel Handbag	1

 

Spare parts specifications:

Motor	Mode: EX1202.5 KV6400 Configu-ration:9N12P Stator Diamter:12mm Stator Length:2.5mm Shaft Diameter:Φ1.5mm Motor Dimension(Dia.*Len):Φ14mm*14.5mm Weight(g):4.4g No.of Cells(Lipo):1-2S
Propellers	Gemfan 3018-2 Center Thickness:5.5mmProp Diameter:76.5mm Center Hole diameter:1.5mm
Flight controller	(Frsky SPI RX version) CRAZYBEEX FR V2.2 FC  Firmware target: CrazybeeF4FR (Flysky SPI RX version) CRAZYBEEX FS V2.2 FC Firmware target: CrazybeeF4FS (DS M2/X SPI RX version)CRAZYBEEX DXS V1.0 FC firmware target:CrazybeeF4DXS MCU:STM32F411CEU6 (100MHZ, 512K FLASH) Sensor: MPU-6000(SPI connection) Board size: 28.5 * 28.5MM Power supply: 1-2S battery input (DC 2.9V-8.7V) Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready Built-in Betaflight OSD(SPI Control) Built-in 5.8G VTX Built-in SPI Frsky/Flysky receiver or no receiver Built-in 5V 1A BEC
Onboard 4in1 ESC	MCU upgraded to EFM8BB21 Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds) Support BLHeliSuite programmable Factory firmware: S_H_50_REV16_7.HEX Default protocol: DSHOT600
Onboard Frsky SPI D8 receiver Version	SPI BUS receiver Frsky D8 compatible Compatible Non EU transmitter D8 modelChannels: 8ch Failsafe support No ground interference ( Transmitter and receiver 1 m from the ground): 200m~300m
Onboard Flysky SPI receiver Version	SPI BUS receiver Protocol: AFHDS and AFHDS-2A Switchable Channels: 8ch(AFHDS) or 14ch(AFHDS-2A) No ground interference ( Transmitter and receiver 1 m from the ground): 200~300m Failsafe support
Onboard DS M2/X SPI receiver Version	SPI BUS receiver DS M2/DS MX compatible Channels: Max 12ch Failsafe support No ground interference ( Transmitter and receiver 1 m from the ground): 200m~300m RSSI enable(show on the goggles)
Onboard 5.8g VTX	Output power: 25mw~200mw switchable Frequency: 40CH Input voltage: 3.3V 5.5V Current consumption: 300mA(type) Frequency: 5.8GHz 5bands 40 channels With Race band Smartaudio ready
Caddx ANT 1200tvl camera	Image Sensor: 1/3″ CMOS Sensor Horizontal Resolution: 1200 TVL TV System: NTSC or PAL IMAGE: 4:3 Synchronization: Internal Electronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000 S/N Ratio : >52dB (AGC OFF) Video Output: CVBSLens: 1.8mm Min. Illumination: 0.001Lux@F1.2 Auto Gain Control: YES BLC: YES WDR: Global WDR DNR: 3D DNR Dimensions: 14*14mm(with bracket to 19*19mm) Wide Power Input: DC 3.7-18V Work Temperature: -20℃~+60℃ Weight: 2g (N.W.)

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Related Article:

HappyModel Crux3 - 1-2S 115mm 3inch Toothpick FPV Freestyle Drone: A Compact Powerhouse

Introduction:
The HappyModel Crux3 is a remarkable 1-2S brushless toothpick drone that combines lightweight design with impressive performance capabilities. With its innovative features and versatile specifications, the Crux3 stands out as an excellent choice for FPV freestyle enthusiasts. In this evaluation article, we will explore the composition, parameters, advantages, how to choose, operation guide, and frequently asked questions regarding the Crux3.

Composition and Parameters:
The Crux3 boasts a compact frame with a wheelbase of 115mm, measuring 97mm x 97mm x 35mm without propellers. The drone itself weighs a mere 41g (excluding the battery). Its key components include:

1. New AIO 4in1 CrazybeeX Flight Controller: The Crux3 is equipped with the latest CrazybeeX V2.2 flight controller, offering advanced control and stability. This all-in-one unit combines the flight controller, ESCs, and receiver, simplifying the build and reducing weight.

2. CADDX ANT Camera: The Crux3 features a Caddx Ant 1200TVL Global WDR camera, providing excellent video quality with enhanced dynamic range. The integrated OSD (On-Screen Display) allows pilots to customize their flight experience conveniently.

3. New 1202.5 Brushless Motor: The Crux3 employs HappyModel's EX1202.5 KV6400 brushless motors, delivering exceptional power-to-weight ratio for impressive speed and agility.

4. XT30 Connector: The drone utilizes an XT30 connector, ensuring a secure and efficient power connection.

5. Battery Compatibility: It is recommended to use 2S LiPo batteries with capacities ranging from 350mAh to 520mAh, allowing pilots to choose the optimal balance between flight time and performance.

6. Insta360 Go Compatibility: The Crux3 is compatible with the Insta360 Go camera, allowing pilots to capture high-quality footage during their flights.

Advantages:
1. Lightweight and Agile: Weighing just 41g, the Crux3 is an incredibly lightweight drone that offers agile maneuverability, making it ideal for freestyle flying.

2. Versatile Receiver Options: The Crux3 is available in different receiver options, including Frsky, Flysky, and DS M2/DS MX. This ensures compatibility with a wide range of popular transmitters, providing flexibility for pilots.

3. High-Quality Camera: The Caddx Ant 1200TVL camera with Global WDR and OSD integration delivers exceptional video quality, allowing pilots to capture immersive FPV footage.

4. Convenient Package: The Crux3 package includes all the necessary tools and accessories, such as propellers, a screwdriver, a propeller disassemble tool, and a HappyModel handbag, ensuring a hassle-free setup and transportation.

How to Choose:
When selecting the Crux3, consider the compatible receiver option that aligns with your existing transmitter system. Choose between Frsky, Flysky, or DS M2/DS MX receivers based on your personal preference or compatibility requirements.

Operation Guide:
1. Assembly: Begin by installing the brushless motors onto the frame using the provided screws. Attach the CrazybeeX flight controller, ensuring proper connection to the motors. Install the camera, VTX, and receiver according to the instructions provided.

2. Configuration: Connect the Crux3 to a computer and configure the flight controller using Betaflight or the recommended software. Set up your preferred flight modes, rates, and PID settings.

3. Battery Connection: Connect a compatible 2S LiPo battery to

the drone using the XT30 connector. Ensure a secure connection and check the battery voltage before flight.

4. Pre-flight Check: Perform a thorough pre-flight check, including propeller tightness, camera angle, and video transmission quality. Verify that all components are functioning correctly and that the drone is balanced.

5. Flight: With the Crux3 armed and ready, take off and enjoy its agile flight characteristics. Experiment with different flight modes and explore the capabilities of the drone while adhering to safety guidelines.

FAQ:
1. What is the flight time of the Crux3?
The flight time of the Crux3 will vary depending on the battery capacity and flying style. With a 2S battery in the recommended range (350mAh-520mAh), you can expect flight times ranging from 2 to 5 minutes.

2. Can I use a different camera with the Crux3?
While the Crux3 is designed to work seamlessly with the Caddx Ant camera, you can potentially use other lightweight FPV cameras with compatible connectors and mounting options.

3. Is the Insta360 Go camera included with the Crux3?
No, the Insta360 Go camera is not included with the Crux3. It is compatible and can be separately purchased and mounted on the drone.

Conclusion:
The HappyModel Crux3 is a feature-packed toothpick FPV freestyle drone that combines lightweight construction, high-performance components, and versatile options. Its compact size, agile flight characteristics, and compatibility with popular transmitters make it an attractive choice for FPV enthusiasts. With the Crux3, pilots can capture thrilling aerial footage and explore the exciting world of freestyle flying with ease and confidence.