Happymodel Larva X Manual

Specifications
Brand Name:Happymodel
Item Name: Lar va X 2-3S 2.5inch Brushless FPV drone
Wheelbase: 100mm
Size: 88mm*88mm*45mm(without propellers)
Weight: 50g(without batter y)
Recommended Batter y:
3S 300mah/350mah 2S 450mah
Package includes
Item Name
Lar va X frame
Option1: Crazybee F4FR V3.0 PRO FC built-in Frsky NON-EU RX
Option2: Crazybee F4FS V3.0 PRO FC built-in Flysky RX
Option3: Crazybee F4 V3.0 PRO FC with external DSM2/DSMX RX
Option4: Crazybee F4 V3.0 PRO FC with external Frsky RXSR receiver
Option5: Crazybee F4 V3.0 PRO FC with external TBS Crossfire Nano RX
1103 KV7000 motor
2.5inch tri-blades propeller (4cw+4ccw)
Camera : Runcam Nano2
VTX: 5.8g 25mw~200mw switchable with 720p DVR (Diamond_vtx)
Propeller disassemble tool
Screwdriver
Flight controller connection diagram
M2 M4
M3
M1
LIPO+
GND
USB
+5V output +5V output
Video_in
GND GND
Video_out Video_out
BUZ+
BUZ-
TX2
BOOT
LED
IRX1
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 .
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
Qty
RX1
RX2
IRX1
BOOT
LED
TX2
BUZ-
BUZ+
LIPO+
+5V output
GND
GND
Video_in
TX1
Video_out
2-3S LIPO
GND
TX1
BATTERY INPUT
Happymodel Larva X 100mm 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 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 .
1
1
4
1
1
1
1
1
Arm/Disarm the Motor
1. The Default Arm/Disarm switch for
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 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 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
Larva X is AUX1(Channel 5),and you can also customize it with