HappyModel ELRS X1 20x20 AIO Flight Controller w/ 8Bit 12A ESC

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The ELRS X1 flight controller comes with an integrated SPI 2.4GHz ExpressLRS receiver and 12A Blheli_s ESC, which can support 2-4s batteries. Bigger MOSFETs can support up to 12A of current. This is perfect for a  toothpick drone or long-range FPV drone. And because the 2.4GHz ExpressLRS receiver is equipped with an 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.
The flight controller reserved a 6pin SH1.0 plug for CaddxFPV Vista HD VTX and 5pin SH1.0 plug for analog VTX.

Check out our other 20x20 flight controllers, as well as the rest of our HappyModel selection!


  • Input Voltage: 2-4S LiPo
  • MCU: STM32F411CEU6
  • Gyro: MPU-6000
  • OSD: Yes
  • UARTs: 2 Sets
  • ESC Connections: Yes
  • FC Firmware: CRAZYBEEF4SX1280
  • BEC: 5V 1A
  • Current Sensor: Yes
  • Buzzer: Yes
  • Barometer: No
  • Black Box: No
  • Max. Continuous Current: 12A
  • Max Burst Current: 15A (10sec)
  • ESC Firmware: BLheli_S
  • Stack Size: 20x20mm
  • Dimensions: 32x28x9mm
  • Weight: 54.3g


  • 1x HappyModel ELRS X1 20x20 AIO Flight Controller w/ 8Bit 12A ESC
  • 2x Antennas
  • 1x XT30 Pigtail