Happymodel Larva X Quick Start Manual

Features
Toothpick HD and Whoop HD 2 in 1 combo (Default Comes in Toothpick HD style)
Toothpick style compatible both 2.5inch or 3inch propellers
New design EX1203 High efficiency brushless motors
Caddx baby Turtle provide 1080P 60FPS DVR video
Camera Angle adjustable
Full range receiver options
Buzzer ready
Smooth and powerful
Compatible both for 2s-3s Lipo/LIHV
Specifications
Brand Name: Happymodel
Item Name: Lar va-X HD Micro FPV brushless Drone
Wheelbase: 125mm
Size: 105mm*105mm*35mm(without propellers)
Weight: Toothpick style ductless 63g (without batter y)
Whoop style ducted 79g (without batter y)
Receiver options:
Frsky SPI receiver
Flysky SPI receiver
DSM2/DSMX compatible receiver
Frsky XM+ receiver
Frsky R-XSR receiver
TBS Nano CRSF receiver
Package includes
Item Name
Lar va-X HD frame (with Toothpick style canopy and Whoop style canopy)
Whoop duct for Lar va-X HD
SPI Receiver Option1: Crazybee F4FR V3.0 PRO FC built-in Frsky SPI D8 RX
SPI Receiver Option2: Crazybee F4FS V3.0 PRO FC built-in Flysky SPI RX
Receiver Option3: Crazybee F4 V3.0 PRO FC with external DSM2/DSMX RX
Receiver Option4: Crazybee F4 V3.0 PRO FC with external Frsky XM+ receiver
Receiver Option5: Crazybee F4 V3.0 PRO FC with external Frsky RXSR receiver
Receiver Option6: Crazybee F4 V3.0 PRO FC with external TBS Crossfire Nano RX
EX1203 KV6200 brushless motors
Propeller sets
CADDX Baby turtle
VTX 5.8g 25mw~200mw switchable
3S 11.1v 450mah 75c Li-po batter y
5.8g Micro UXII antenna
Propeller disassemble tool
Flight controller connection diagram
M2 M4
M3
M1
LIPO+
GND
USB
Red LED Red LED
LED Blinking Fast---In Binding Mode LED Blinking Fast---In Binding Mode
LED Blinking slowly---No RC Input Signal LED Blinking slowly---No RC Input Signal
LED solid---Binding successful or RC input signal connected LED solid---Binding successful or RC input signal connected
Binding procedure
Press and hold the bind button of the Speki+ receiver ,then plug the USB. The red led on the
speki+ receiver would blinking fast , this indicate the receiver is in bind mode .
Qty
1
4
1
4
1
1
1
2
1
1
RX1
RX2
IRX1
BOOT
LED
TX2
BUZ-
BUZ+
LIPO+
+5V output
GND
GND
Video_in
TX1
Video_out
BOOT
BUZ+
TX2
+5V output +5V output
GND GND
LIPO+
Video_in
GND Video_out Video_out
TX1
Happymodel Larva X HD 2-3s racer drone DSM2/DSMX version
Make your Spektrum radio transmitter or multi protocol radio transmitter to bind with the
receiver , if the red LED on the speki+ receiver getting to be solid , this indicate the binding
successfully. If bind faild you need to repeat the above steps.
Receiver configuration
We have configured the receiver for the Larva-X HD before shipping out . If you flashed the
betaflight firmware , please setup as the following steps: Enable Serial_RX for UART1 ,then
select RX_Serial from the Receiver mode and set the serial receiver provider to be SPEKTRUM
2048/SRXL. This receiver mode support both Spektrum dsm2/dsmx radio . And you need to
enable Telemetry too ,otherwise the receiver will not working .
Arm/Disarm the Motor
1. The Default Arm/Disarm switch for Larva X HD
Betaflight Configurator.
2.For most of Spektrum radio the default channel 5 is Gear switch and you can also customize
it. Use DX9 for example, Go to menu and select System setup ,then choose Channel ssign.
3.The default channel map for Larva X HD DSM2/X version is TAER1234, please make sure your
transmitter is matched, otherwise it will can't be armed. Toggle the AUX1 Switch ,the Green LED
on the flight controller will getting to be solid, this indicates the motor was armed . And also
you can found "Armed" displayed on your FPV Goggles or the FPV Monitor. Please make sure
keep the Larva X HD level before arming .Be careful and enjoy your flight now !
Toggle the AUX1 Switch, the Green LED on Toggle the AUX1 Switch, the Green LED on
the Flight controller will getting to be solid the Flight controller will getting to be solid
is AUX1(Channel 5),and you can also customize it with