Happymodel X1 ELRS AIO built-in SPI 2.4G ELRS and 12A ESC


Happymodel X1 ELRS AIO is a FC + 4in1 ESC with integrated ELRS receiver.

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The Happymodel ELRS X1 flight controller comes with an integrated SPI 2.4GHz ExpressLRS receiver and 12A BlHeli_S ESC, able to support 2-4s. The X1 includes mosfet that can support 12A currents making it ideal for toothpick or long range drones. The X1 also includes a 2.4GHz ExpressLRS receiver is equipped with the SX1280 radio frequency chip with high sensitivity, high packet rate and low latency. The flight controller includes a 6 pin SH1.0 plug for CaddxFPV Vista HD VTX and 5 pin SH1.0 plug for analog VTX.

FC Specifications:

– MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
– Sensor: MPU-6000(SPI connection)
– Mount pattern: 20×20 M2Size:32mm*28mm*9mm
– Power supply: 2-4S Lipo battery
– Built-in 12A Blheli_s ESC each
– Built-in Betaflight OSD(SPI Control)
– Built-in SPI ExpressLRS 2.4GHz receiver
– Built-in 5V 1A BEC
– Flight controller firmware target: CRAZYBEEF4SX1280

4in1 Specifications:

– MCU upgraded to EFM8BB21
– Power supply: 2-4S LiPo/LiPo HV (7v/17v)
– Currents: 12A continuous peak 15A (5 seconds)
– Support BLHeliSuite programmable
– Factory firmware: F_H_40_REV16_8.HEX
– Default protocol: DSHOT150/DSHOT300/DSHOT600

Onboard SPI ELRS receiver Specifications:

– Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
– RF Frequency: 2.4GHz
– Antenna plug: IPEX
– Telemetry output Power: <12dBm
– Receiver protocol:  SPI ExpressLRS
– Could bind with ELRS 2.4Ghz TX module(Recommend TX module with latest elrs firmware)


– Happymodel X1 ELRS AIO
– Accessories

Additional information

Weight20 g

ExpressLRS, Happymodel

1 review for Happymodel X1 ELRS AIO built-in SPI 2.4G ELRS and 12A ESC

  1. 5 out of 5

    Daniel M. (verified owner)

    Verified reviewVerified review - view originalExternal link

    Lite trist med USB på botten, men på just min ram passar det perfekt. Har BF 4.3.1 och ERLS 3.0. Lite små lödpads men går ändå.

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