Breakout board for the ICM 42688 inertial measurement device. Includes level-shifters and pullup resistors needed to properly handle communication with both 3.3V and 5V microcontrollers such as Arduino. I2C connections are shown on front silkscreen, SPI connections shown on reverse. The board comes with two optional pin headers (1 straight + 1 angled). Dimensions: 21mm x 21mm x 1.6mm. Mounting holes: 3mm diameter, 15mm separation. Output voltage: Matched to Vcc. Plating process: ENIG. LED: Red. Library: https://github.com/finani/ICM42688. Datasheet: https://invensense.tdk.com/products/motion-tracking/6-axis/icm-42688-p/