Skip to product information
1 of 2


Happymodel Crux3 1S ELRS 3 Inch Toothpick FPV Racing Drone BNF

Happymodel Crux3 1S ELRS 3 Inch Toothpick FPV Racing Drone BNF

Regular price $119.99 USD
Regular price Sale price $119.99 USD
Sale Sold out
Shipping calculated at checkout.

Update log: The Crux3 1S ELRS v2.0 version comes with ELRS F4 2G4 V3.1 which was built-in OPENVTX could support max 400mw output. Please use following vtxtable

# VTX Table


# vtxtable

vtxtable bands 6

vtxtable channels 8

vtxtable band 1 BOSCAM_A A FACTORY 5865 5845 5825 5805 5785 5765 5745 5725

vtxtable band 2 BOSCAM_B B FACTORY 5733 5752 5771 5790 5809 5828 5847 5866

vtxtable band 3 BOSCAM_E E FACTORY 5705 5685 5665 0 5885 5905 0 0

vtxtable band 4 FATSHARK F FACTORY 5740 5760 5780 5800 5820 5840 5860 5880

vtxtable band 5 RACEBAND R FACTORY 5658 5695 5732 5769 5806 5843 5880 5917

vtxtable band 6 LOWRACE  L FACTORY 5333 5373 5413 5453 5493 5533 5573 5613

vtxtable powerlevels 5

vtxtable powervalues 1 2 14 20 26

vtxtable powerlabels 0 RCE 25 100 400



-40gram 1s brushless Toothpick drone

-AIO Flight controller with ELRS Receiver and 5.8G VTX


-New 1202.5 KV11500 brushless motor

-Recommend to use 1s 450mah/650mah/660mah/720mah battery

-Compatible with CaddxFPV Peanut and Insta360 GO2

-Carrying Caddxfpv peanut Got 4.5 minutes flying time with 1s 650mah battery


-Brand Name: Happymodel

-Item Name: Crux3 1S ELRS

-Wheelbase: 115mm

-Size: 97mmx97mmx35mm (without propellers)

-Weight: 40g(without battery)

-Package includes:

Item Name


Crux3 Frame and canopy


ELRS F4 2G4 flight controller built-in SPI ExpressLRS 2.4G receiver


Happymodel EX1202.5 KV11500 brushless motor


Gemfan 75mm bi-blade Propellers(4cw+4ccw)


Caddx Ant 1200TVL Global WDR with OSD 2g Ultra Light Nano FPV Camera


5.8G 25mw~200mw 40ch vtx (Flight controller built-in)


Screw Driver


Propeller disassemble tool


3D Printed canopy for Insta360 GO2 and CaddxFPV Peanut

Happymodel Handbag



Mode: EX1202.5 KV11500Configu-ration:9N12PStator Diamter:12mmStator Length:2.5mmShaft Diameter:Φ1.5mmMotor Dimension(Dia.*Len):Φ14mm*14.5mmWeight(g):4.4gNo.of Cells(Lipo):1S


Gemfan 75mmCenter Thickness:5mmProp Diameter:75mmCenter Hole diameter:1.5mmPitch:0.9in

Flight controller

MCU:STM32F411CEU6 (100MHZ, 512K FLASH)Sensor: MPU-6000(SPI connection)Original whoop size compatiblePower supply: 1S battery input (DC 2.9V-4.35V)Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 readyBuilt-in Betaflight OSD(SPI Control)Built-in 5.8G VTXBuilt-in SPI ExpressLRS 2.4GHz receiverBuilt-in 5V 1A BECFlight controllerfirmware target: CRAZYBEEF4SX1280

Onboard 4in1 ESC

MCU upgraded to EFM8BB21Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)Support BLHeliSuite programmableFactory firmware: O_H_5_REV16_7.HEXDefault protocol: DSHOT300

Onboard SPI ExpressLRS 2.4GHz Receiver

Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500HzRF Frequency: 2.4GHzAntenna : SMD antennaTelemetry output Power: <12dBmReceiver protocol to flight controller:  CRSFCould bind with All ExpressLRS 2.4GHz TX module , ExpressLRS firmware need 1.0.0 or latest

Onboard 5.8g VTX

Output power: 25mw~200mw switchableFrequency: 40CHInput voltage: 3.3V 5.5VCurrent consumption: 300mA(type)Frequency: 5.8GHz 5bands 40 channelsWith Race bandSmartaudio ready

Caddx ANT 1200tvl camera

Image Sensor: 1/3″ CMOS SensorHorizontal Resolution: 1200 TVLTV System: NTSC or PALIMAGE: 16:9 or 4:3Synchronization: InternalElectronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000S/N Ratio : >52dB (AGC OFF)Video Output: CVBSLens: 1.8mmMin. Illumination: 0.001Lux@F1.2Auto Gain Control: YESBLC: YESWDR: Global WDRDNR: 3D DNRDimensions: 14*14mm(with bracket to 19*19mm)Wide Power Input: DC 3.7-18VWork Temperature: -20℃~+60℃Weight: 2g (N.W.)

Shipping & Returns


View full details