Free UK Delivery on orders over £99*
Product Specifications
Product Details
Specifications:
- MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash
- IMU: ICM42688P
- Baro: SPL06-001
- OSD: AT7456E
- Blackbox: MicroSD socket
- I2C digital power monitor
- 6x Uarts (1,2,3,4, 5, 6) with built-in inversion.
- 11x PWM outputs
- 1x I2C
- 1x CAN
- 4x ADC (VBAT, Current, VB2, Cur2)
- 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
- USB/Beep Extender with Type-C(USB2.0)
- 2x JST-GH1.25_4pin connector for CAN and I2C
- 9V/12V output ON/OFF switchable
- Digital video OSD is supported by any spare UART
Regulators:
- Vbat Input: 9~30V (3~6S LiPo)
- BEC 5V/4v5: 2.5A cont. /3A peak
- BEC 9V/12V: 2A cont. /3A peak
- BEC Vx: 8A cont. /12A Peak, output 5V Default, 6V or 7.2V option.
- LDO 3.3V: Max.200mA
I2C digital power monitor:
- No calibration required.
- Current sensing resistor: 0.00025 ohm
- Load current on current sensing resistor: 100A(Continuous), 164A(Burst)
- Voltage accuracy: ± 0.1%
- Current accuracy: ± 2%
- INA2xx I2C address: 0x45 (69)
-
Parameters
- BATT_MONITOR ->21 (INA2xx)
- BATT_SHUNT -> 0.00025
- BATT_MAX_AMPS -> 164
- BATT_I2C_BUS -> 0 default
- BATT_I2C_ADDR -> 0 default (or 69)
Package contains:
- 1x H7A3-WING
- 1x USB(Type-C)/Beep (Passive buzzer) Extender with 6pin cable
- 1x 20cm JST-SH-6P to JST-SH-6P cable for USB extender.
- 2x 20cm JST-GH-4P to JST-GH-4P cable for CAN & I2C port
- 1x Rubycon ZLH 35V 470uF capacitor
- Dupont 2.54 pins (Board is shipped unsoldered)

Payment & Security
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Delivery & Returns
UK Delivery Options
Free UK Standard Delivery on orders over £99* (excluding certain items such as batteries).
(Typically delivered next working day, subject to courier collection cut-off times.)
- Royal Mail Tracked 24 – Next working day delivery for orders placed by 16:00 (4pm). Fully tracked.
- DHL Express Next Day – Next working day delivery for orders placed by 13:30 (1:30pm). Fully tracked.
- *Free delivery excludes batteries, oversized items, and remote UK areas such as the Highlands due to courier surcharges.
International Delivery Options
- DHL Express (Air) – Fast delivery to most European countries (often next day). Same-day dispatch for orders placed by 13:30 (1:30pm) UK time. Fully tracked.
- DHL Economy (Road) – Cost-effective alternative to Express, suitable for non-urgent orders. Fully tracked.
UK Returns
Unused items in original condition can be returned within 14 days for refund or 30 days credit refund.
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
International and B2B Returns
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
All returns must be authorised by 3DXR before being sent back. Please email info@3dxr.co.uk to request confirmation.
FAQs
Contact us by email at info@3dxr.co.uk with any questions you have about this product.
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