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HappyModel CrazyG473 – built-in ExpressLRS 2.4GHz and OpenVTX 400mW
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  • HappyModel CrazyG473 – built-in ExpressLRS 2.4GHz and OpenVTX 400mW
  • CrazyG473 AIO 5-in-1 FC – integrated ESC, RX, VTX and OSD
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller with ELRS and OpenVTX
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + VTX
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + VTX
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + VTX
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + VTX
  • HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + VTX

HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + OpenVTX

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HappyModel CrazyG473 V1.0 AIO 5-in-1 Flight Controller – ELRS + OpenVTX

First 5-in-1 AIO with G473 MCU – built-in ELRS & OpenVTX

The HappyModel CrazyG473 V1.0 is an advanced 5-in-1 flight controller, combining FC, ESC, RX, VTX, and OSD on one lightweight board. Powered by STM32G473 with ICM42688P gyro, 16MB Blackbox, and integrated ExpressLRS 2.4GHz RX. The onboard OpenVTX supports up to 400mW output, 48 channels, and SmartAudio 2.1 – perfect for 65mm 1S FPV whoops.

Key features

  • First 5-in-1 flight controller with STM32G473 MCU
  • Built-in ExpressLRS 2.4GHz RX (EP1/EP2 firmware)
  • OpenVTX – up to 400mW, 48 channels, SmartAudio 2.1
  • 5A ESC (continuous), Bluejay firmware, DShot300/600
  • A30 connector – optimized for 1S batteries
  • Ultra-lightweight – only 8.3 g

Specifications

  • MCU: STM32G473CEU6
  • Gyro: ICM42688P
  • Blackbox: 16MB
  • BEC: 5V 2A
  • UART: 4 (RX, VTX, others)
  • ESC: 5A continuous, 6A peak, Bluejay V0.21
  • RX: ELRS 2.4GHz, 31mm antenna
  • VTX: OpenVTX 5.8GHz, PIT/10/25/100/400mW, 48CH
  • Antenna: IPEX1/U.FL
  • Weight: 8.3g (without antenna)
  • Size: 25.5 × 25.5mm (M2 mounting holes)

Package contents

  • 1 × HappyModel CrazyG473 V1.0 AIO 5-in-1 FC
  • 1 × VTX antenna (IPEX1/U.FL)
  • Wiring set
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