Category Name, Electronics, Flight Controllers
JEHMCU G474 AIO 12A Flight Controller ELRS 2.4G
The JHEMCU G474ELRS is a lightweight all-in-one flight controller designed for ultra-compact FPV builds using 1–2S power. Featuring an STM32G474 MCU and an integrated independent ELRS 2.4GHz receiver, it delivers reliable control, stable power delivery, and clean HD video support in a minimal footprint.
With dual BEC outputs including a dedicated 9V boost circuit for HD video systems, this AIO eliminates HD black-screen issues on 2S setups while maintaining low weight and efficient power handling.
$79.99
Key Features:
- STM32G474 MCU running at 170MHz for responsive flight control
- Integrated independent ELRS 2.4GHz receiver (non-SPI)
- ICM-42688-P gyro for smooth and stable performance
- Built-in AT7456E OSD for Betaflight compatibility
- Integrated 12A ×4 AM32 ESCs for 1–2S micro builds
- Dedicated 9V / 2A boost BEC for HD video systems
- No HD black screen issues when running HD systems on 2S
- Ultra-lightweight design ideal for whoops and micro FPV drones
Flight Controller Specifications:
- Brand: JHEMCU
- Model: G474ELRS
- MCU: STM32G474CE (170MHz, 512KB)
- Gyroscope: ICM-42688-P
- OSD Chip: AT7456E
- Barometer: No
- Blackbox: 8MB onboard
- Flight Firmware: Betaflight 4.5.2 (JHEG474 target)
Power & BEC:
- Input Voltage: 1–2S LiPo
- 5V BEC: 5V / 1.5A (Buck-Boost)
- 9V BEC: 9V / 2A (Boost, for HD VTX)
ESC Specifications:
- ESC Type: 4-in-1 AM32
- Continuous Current: 12A ×4
- ESC Firmware: BlueJay Z-H-30.HEX
- ESC Protocol: DShot600 (default)
- Current Sensor: Yes
Receiver & Wireless:
- Receiver Type: ELRS (Independent, non-SPI)
- Frequency: 2.4GHz
- Signal Protocol: CRSF
- WiFi ELRS Firmware Update: Supported
Connectivity & Interfaces:
- UARTs: UART1 (SBUS), UART2 (VTX), UART3 (Internal ELRS), UART4 (GPS / peripherals)
- I2C Interface: Supported
- Camera Input: Supported
- LED Programming: Supported
- Buzzer Output: Supported
Physical Specifications:
- Board Size: 30 × 30mm
- Mounting Pattern: 25.5 × 25.5mm (M3)
- Weight: 4.6g
Notes:
- When using 1S power, motor startup power may need to be increased in Betaflight if motors do not start reliably
Included:
- 1x JHEMCU G474 ELRS AIO Flight Controller
- 1x 220µF 16V Low-ESR Capacitor
- 1x IPEX 2.4GHz ELRS Antenna (Gray)
- 4x 3-Pin Connectors
- 4x M2×6.5mm Shock-Absorbing Silicone Grommets
- 2x 20AWG Power Wires
- 4x 1.4×5mm Cross Head Screws
- 1x XT30 Battery Connector
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