$9.90

JST-GH GPS Port to I²C Bus Splitter

Extract I²C Signals from Your GPS Port — Connect More Sensors Without Losing GPS Functionality.

Overview

The JST-GH GPS Port to I²C Bus Splitter is an effective way to branch out your I²C signal directly from your GPS cable. On modern Pixhawk autopilots like PixRacer or Pixhawk 2, the GPS port carries the I²C data lines needed by the magnetometer and other onboard GPS features.

This splitter allows you to "extract" those I²C signals so you can connect more I²C sensors without affecting the functionality of your GPS.

Passive vs Active Hub: The Active Hub does the same job but lets you actively select the signal level — useful for non-standard I²C or 5V signals (e.g. cloned airspeed sensors). This splitter is a Passive Hub. As long as you use genuine 3DR accessories, you won't need the Active Hub — saving you money unless you require a signal booster.

Key Features

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I²C Signal Extraction from GPS Port

Extracts I²C data lines from the GPS port so you can add more I²C sensors without affecting GPS functionality.

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PixRacer I²C Access

The only passive solution to access the I²C bus on PixRacer — which has no dedicated I²C port.

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Dual 6-Pin JST-GH Connectors

Two 6-pin JST-GH connectors — attach your autopilot to one and your GPS to the other, in either orientation.

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Multiple 4-Pin I²C Outputs

Remaining 4-pin JST-GH connectors can be attached to any I²C device — sensors, airspeed, magnetometers, and more.

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Passive Design — No Power Required

Simple passive hub design — no active components, no extra power needed. Works seamlessly with standard 3.3V I²C devices.

Device Specifications

Interface	I²C (Passive Hub)
GPS Connectors	2 × 6-pin JST-GH
I²C Output Connectors	4-pin JST-GH
Signal Level	3.3V (standard)
Country of Origin	USA

Compatibility

Autopilots	PixRacer, Pixhawk 2, compatible autopilots
GPS Support	Any GPS with 6-pin JST-GH connector
I²C Devices	Any standard 3.3V I²C sensor
Active Version	Active Hub (for 5V / non-standard signals)