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Happymodel ELRS F4 2G4 AIO 5in1 Flight controller built-in SPI 2.4GHz ELRS RX Item NO.: F43966

Name: Happymodel ELRS F4 2G4 AIO 5in1 Flight controller built-in SPI 2.4GHz ELRS RX
Brand: Happymodel
SKU: F43966
Price: 61.63 USD
Availability: InStock

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Product Name	Happymodel ELRS F4 2G4 AIO 5in1 Flight controller built-in SPI 2.4GHz ELRS RX
Item NO.	F43966
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	DIY RC Drone Accessories > Flight Control
Brand	Happymodel
Creation Time	2021-05-19

Happymodel ELRS F4 2G4 AIO 5in1 Flight controller built-in SPI 2.4GHz ELRS RX

The world’s first AIO 5in1 F4 flight controller with integrated SPI 2.4GHz ExpressLRS receiver has been launched. The flight controller integrates SPI controlled 2.4GHz ExpressLRS receiver, Dshot protocol 4-in-1 ESC, 5.8GHz 40ch video transmitter and Betaflight OSD. Ultra-small size and ultra-stable remote control range can improve the range of the original SPI receiver. And because the 2.4GHz ExpressLRS receiver is equipped with the SX1280 radio frequency chip with high sensitivity, high packet rate and low latency, this flight controller is the one that all Race/Freestyle pilots needed. It is suitable for use in Tiny whoop Race or Toothpick Freestyle, and can also be used in 1S ultra-lightweight Nano Long Range platform.

Bind procedure:
1. Power the flight controller by connecting USB. Please make sure that the port driver of the flight controller is correctly installed on the computer, then open Betaflight Configurator(Latest version) to connect, enter to the "receiver" interface, and then click "Bind Receiver", the red LED at the bottom of the flight controller will flash quickly, which means that the SPI ELRS receiver enters the bind mode. There is another way to make the receiver enter the bind mode: after connecting to the Betaflight configurator, move to the CLI interface and enter "bind_rx" in the command line.
2. After correctly connecting the ES24TX or ES24TX Lite/Slim module or DIY 2.4G ELRS TX module to your Opentx radio transmitter, copy the latest version of ELRS.LUA file to the SD card in the remote controller. The directory is "SD Card/Scripts/tools", Then run ELRS.LUA and upgrade the specified TX frimware through Wifi, and then click "bind" to link with the SPI ExpressLRS receiver. Note: You need to adjust the Packet Rate to 500Hz from the ELRS interface of your radio controller before binding.
3. After the binding is successful, the Red LED at the bottom of the flight controller will getting to be solid, and the telemetry can be received at the same time.

4. The meaning of the LED status of the SPI receiver: the LED is getting to be solid, indicating that the bind is successful or the connection and communication is normal, the LED flashing quickly indicates that the receiver is in binding mode, and the LED flashing slowly indicates that the there is no signal received from the radio controller.

Specifications:

Flight controller	MCU:STM32F411CEU6 (100MHZ, 512K FLASH) Sensor: MPU-6000(SPI connection) Original whoop size compatible Power supply: 1S battery input (DC 2.9V-4.35V) Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready Built-in Betaflight OSD(SPI Control) Built-in 5.8G VTX Built-in SPI ExpressLRS 2.4GHz receiver Built-in 5V 1A BEC Flight controller firmware target: CRAZYBEEF4SX1280
Onboard 4in1 ESC	MCU upgraded to EFM8BB21 Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds) Support BLHeliSuite programmable Factory firmware: O_H_5_REV16_8.HEX Default protocol: DSHOT600
Onboard SPI ExpressLRS 2.4GHz Receiver	Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz RF Frequency: 2.4GHz Antenna : SMD antenna Telemetry output Power: <12dBm Receiver protocol: SPI ExpressLRS Could bind with Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX module(need to flash the same version ELRS firmware)
Onboard 5.8g VTX	Output power: 25mw~200mw switchable Frequency: 40CH Input voltage: 3.3V 5.5V Current consumption: 300mA(type) Frequency: 5.8GHz 5bands 40 channels(include Race band)Smartaudio ready
Onboard voltage and Amperage meters settings	Voltage meter scale setting 110 Amperage meter scale setting 1175