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We are on holiday from May 1st to May 5th, orders during this period will be processed and shipped from May 6th. Thank you so much for your understanding.
We are on holiday from May 1st to May 5th, orders during this period will be processed and shipped from May 6th. Thank you so much for your understanding.
Clearance Sale! Affiliate Program Dealers Open Source Hardware (Makerfocus)
Happymodel CrossF4 ELRS 1-2S Flight Controller for Tinywhoop with BMI270 IMU and Serial UART ELRS V3.0 Receiver

Happymodel CrossF4 ELRS 1-2S Flight Controller for Tinywhoop with BMI270 IMU and Serial UART ELRS V3.0 Receiver

by HAPPYMODEL
SKU 7087662
Sold out
$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
Shipping Methods & Delivery Times

We offer three shipping methods:
1) Free Standard Shipping - takes 7-20 working days (except remote areas) and requires a remote fee for those areas.
2) Expedited Shipping - takes 4-10 working days and requires an additional fee. Contact us if you want to use express shipping.
3) Ocean Shipping (for USA only) - takes 18-35 working days. Contact us if you want to use sea shipping.

Happymodel CrossF4 ELRS 1-2S Flight Controller with Onboard UART ExpressLRS 2.4GHz Receiver


Specification:
Flight controller
Firmware target: CRAZYBEEF4DX4.3.2
MCU:STM32F411CEU6 (100MHz, 512K FLASH)
Sensor: BMI270(SPI connection)
Power supply: 1-2S Lipo Lihv battery input (DC 2.8V~8.7V)
Built-in 5A(each) Blheli_S 4in1 ESC Dshot300 ready
Built-in Betaflight OSD(SPI Control)
Built-in UART ExpressLRS 2.4Ghz receiver(Default firmware ExpressLRS v3.0.1)
Built-in 5V 1A BEC
Built-in voltage detection and current sensor
Built-in Onboard flash 16Mb for Blackbox

Onboard 4in1 ESC
MCU upgraded to EFM8BB21
Power supply: 1-2S LiPo/LiPo HV (2.8v~8.7v)
Currents: 5A continuous peak 6A (5 seconds)
Support BLHeliSuite programmable
Default Factory firmware: S_H_50_REV16_8.HEX
Support ESC Protocol: DSHOT150/DSHOT300/DSHOT600

Onboard UART ExpressLRS 2.4GHz Receiver
Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHz
Antenna: enameled copper wire 31mm length
Telemetry output Power: <12dBm
Receiver protocol: CRSF
Default firmware version: ExpressLRS V3.0.1
The same hardware with Happymodel EP1
Could update firmware via ExpressLRS configurator

Betaflight configuration:

***Bind procedure is the same like Happymodel EP1/EP2 receiver , need to upgrade your ExpressLRS TX module to V3.X version first.

Onboard blackbox enable method:

Type the following command to CLI:
set blackbox_device = SPIFLASH
set flash_spi_bus = 2
resource FLASH_CS 1 a14
save

Package Included:
1x Happymodel CrossF4 ELRS 1-2S Flight Controller