CMPS03 Magnetic Compass

Magnetic compass module reporting rotation angle relative to Earth's magnetic field at 0.1° resolution with 3–4° accuracy. I2C interface; discontinued.

Start wiring

I2C · SPI · Analog · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

IMU & motion

89 other options

Analog accelerometers, 6-DoF accel/gyro chips, 9-DoF combos, on-chip-fusion IMUs and standalone magnetometers — about 90 listings from the ADXL335 to the ICM-20948.

View all 89

ADXL335 5V-Ready Triple-Axis Accelerometer Breakout visual preview

Related groups

4 groups

Biometrics

UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.

Sensors · Biometric sensors · 24 parts

Cameras

Pi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers — over 130 listings across very different pipelines.

Sensors · Cameras & vision · 139 parts

Power monitors

INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.

Sensors · Current & voltage · 24 parts

Distance sensors

About 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360° triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.

Sensors · Distance sensors · 178 parts