Overview
A remote-mountable three-axis compass module for heading measurement in aircraft, robotics, and navigation projects.
- PNI RM3100 three-axis geomagnetic sensor
- 12.70 x 12.70 x 7.42 mm; 0.53 g
- 3.3 V recommended supply; operating range 2.0-3.6 V
- 8-pin SPI: VCC, dual GND, DRDY, CLK, MISO, MOSI, SSN
Hardware revision
Check the sensor markings and component layout on your board against the manual and diagrams below.
Setup notes
- Use a 3.3 V supply and follow the 8-pin SPI wiring table.
- Mount the module away from power wiring, motors, and other magnetic interference sources.
- Do not power the module from 5 V.
Wiring, dimensions & photos
Technical specifications
Module layout
8-pin SPI pinout
SPI wiring table
Board photo
Installation notes
Firmware & manuals
Product manualOpen / download
PCB footprint packageOpen / download
STEP 3D modelOpen / download