2Pcs ADXL345 3-Axis Accelerometer Sensor Module IIC/SPI Transmission Compatible with for Arduino GY-291 3D Printer Klipper ADXL345 3-Axis Accelerometer Sensor Module: Measures static gravitational acceleration in tilt detection applications as well as dynamic acceleration due to motion or shock Voltage: 3-5V(5V is Recommended) Accelerator Range:+/-2G, +/-4G, +/-8G, +/-16G Communication method: SPI (3- and 4-wire) and I2C digital interfaces