Flight controller connection diagram
Happymodel Larva X
100mm 2
-
3s racer drone DSM2
/
DSMX
version
Toggle the AUX1 Switch, the Green LED on
the Flight controller will getting to be solid
Toggle the AUX1 Switch, the Green LED on
the Flight controller will getting to be solid
Specifications
Brand Name:Happymodel
Item Name: Larva X 2-3S 2.5inch Brushless FPV drone
Wheelbase: 100mm
Size: 88mm*88mm*45mm(without propellers)
Weight: 50g(without battery)
Recommended Battery:
3S 300mah/350mah 2S 450mah
Package includes
Qty
1
1
4
1
1
1
1
1
Item Name
Larva 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
Binding procedure
Arm/Disarm the Motor
1. The Default Arm/Disarm switch for
is AUX1(Channel 5),and you can also customize it with
Larva X
Betaflight Configurator.
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 !
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.
M1
M2
M3
M4
USB
LIPO
+
GND
+5V output
GND
Video_in
Video_out
RX2
RX1
BOOT
BUZ
-
BUZ
+
GND
LIPO
+
TX1
IRX1
LED
TX2
Receiver configuration
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 .
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.
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 .
GND
GND
GND
Video_in
2-3S LIPO
BATTERY INPUT
TX2
LED
IRX1
BOOT
BUZ+
BUZ-
+5V output
+5V output
Video_out
Video_out
TX1
Red LED
LED Blinking Fast---In Binding Mode
LED Blinking slowly---No RC Input Signal
LED solid---Binding successful or RC input signal connected
Red LED
LED Blinking Fast---In Binding Mode
LED Blinking slowly---No RC Input Signal
LED solid---Binding successful or RC input signal connected
