Overview
ZeroOne OneBusHub is a CAN/I2C expansion dock hub for UAV flight controller peripherals, providing 1 bus input expanded to up to 6 bus output ports with powered distribution.
Key Features
- CAN and I2C bus communication support
- 1 bus input expanded to 6 bus output ports (Bus 1 to Bus 6)
- Wide-range power input: 3-14S
- Power output: 5.2V
- Over-current trip protection (as specified below)
Specifications
| Input voltage | 3-14S |
| Output voltage | 5.2V |
| Max current output | Per port: 1.5A continuous; 3A trip current |
| Power input connector | XT30 |
| BUS input connector | 6-pin GHR (female) |
| BUS output connector | 6-pin GHR (male) |
| Dimensions | 44mm; 40.4mm; 31mm; 25.2mm; 12.6mm |
Customer service: support@rcdrone.top
What’s Included
- OneBusHub module
- CAN/I2C cable, 30cm
- XT30 female pigtail cable, 18AWG
- QC/inspection card
Applications
- Expanding a flight controller CAN/I2C port to multiple CAN/I2C peripheral connections
- Providing 5.2V powered outputs for connected bus devices (per-port current limits apply)
Manuals
Details

OneBusHub is a powered expansion hub designed for open-source flight controllers and peripheral devices. It supports 3-14S wide-range power input, up to 3A current with overcurrent protection, and provides 5.2V external power. Compatible with CAN and I2C bus communication, it enables one-to-six device connection via bus interfaces labeled Bus 1, Bus 2, and Bus 3. Features include PWR INPUT and CAN/PC ports.

OneBusHub Hiccan I2C Chat, features TR+R3+, jiltzHEm@A, 12/*1312815.2V/1.5AE16 Bus, 3-145 5.2V EMTMA, and EU TL Kn 002 Dus, suitable for 40X5.2V operation.

OneBusHub connects external devices via CAN/I2C. Powered by 3-14S battery through XT30. Outputs 5.2V, max 1.5A continuous per port. Uses 6-pin GHR connectors for BUS input/output. Dimensions: 44x40.4x25.2mm.

OneBusHub package includes module, 30cm CAN/I2C cable, XT30 connector with 18AWG wire, and certification. Open-source projects Ardupilot, PX4, Firmware noted. Safety usage disclaimer provided.
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