Happymodel X12 ELRS V2.1 Flight Controller Instruction Manual

Happymodel X12 ELRS V2.1 Flight Controller Instruction Manual

Feature

• X12 5-IN-1 AIO flight controller built- in 2.4G ELRS V2.0 and OPENVTX VTX Power up to 400mw
• ELRS V2.0 (Default), provide firmware to support ELRS V3.0 EX1103 KV110000 motors
• CaddxFPV Ant FPV camera Smooth and powerful
• Compatible for 1S-2S Lipo/LIHV battery
• Recommend 2S 450mah/550mah/650mah battery (Not include)

Specification

Brand Name: Happymodel
Item Name: Mobula8 1-2S 85mm Micro FPV whoop drone
Wheelbase: 85mm
Size: 120mm120mm50mm
Weight: 43g

Receiver Option

• 2.4G ELRS SPI(Support ELRS v2.0, provide firmware could compatible with elrs v3.0)
• SPI Frsky D8/D16 not compatible with EMAX E6 radio
• SPI Flysky AFHDS2A
• PNP (without onboard receiver)
• TBS version(with external TBS CRSF NANO RX)

Package Includes

Option2: X12 Frsky V2.1 flight controller built- in SPI Frsky 2.4G receiver
Option3: X12 Flysky V1.0 flight controller built-in SPI Flysky 2.4G receiver
Option4: X12 PNP V1.1 flight controller without onboard receiver
Option5: X12 PNP  V1.1 flight controller with TBS CRSF NANO RX
EX1103 KV11000 brushless motor| 4
Gemfan Hurricane 2023 tri- blade propellers(4cw+4ccw)| 1
Caddx ANT 1200TVL Camera| 1
Onboard 5.8G Openvtx 0mw~400mw VTX| 1
Canopy for 14mmx14mm camera| 1
Screw driver| 1

Flight controller connection diagram

Bassline 2S PNP version

Wiring Diagram And Setting

• RX1/TX1/+5V/GND pads could be used for External Serial Based RX like ELRS Receiver ,TBS Tracer or CRSF Nano
• IR1/+5V/GND pads could be used for External SBUS receiver like XM/XM+/AC900/RXSR
• Need to enable Serial RX for UART1 and select correct receiver protocol

Voltage and Currents Meter Settings

Default PID and Filter Setting

Board and sensor alignment and frequency setting

Motors and ESC setting

Blujay ESC setting

When using Blujay ESC firmware , the startup power should set like the picture shows.

VTX bands and channels setup

There are 2 ways to switch the vtx channels:

1. Plug USB to Mobula8 1-2S then we should Go to Beta Flysky flight CLI type the command Set vtx_band=5 Set vtx_channel=4 save This command will change the vtx channel to 5769
2. Disarm the Mobula8 1-2S and then move the stick of the transmitter THR MID Flysky YAW LEFT PITCH UP to enter OSD Menu Enter to Features then enter to VTX SA to set VTX Band and channel

Flight controller firmware update

1. Install latest STM32 Virtual COM Port Driver
   http://www.st.com/web/en/catalog/tools/PF257938

2. Install STM BOOTLOAD Driver (STM Device in DFU MODE)

3. Open Betaflight configurator and choose firmware target “ ” CRAZYBEEF4DX ,then select the firmware version.

4. There are 2 ways to get in DFU Mode: 1). solder the boot pad and then plug USB to computer 2).loading betaflight firmware and hit “flash”, then it will getting into DFU Mode automatically.

5. Open Zadig tools to replace the drivers from STM32 Bootloader to WINUSB Driver.

6. Reconnect the flight controller to the computer after replace driver done , and open Betaflight Configurator, loading firmware and flash.

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