Grove Green LED

3-Axis Compass module, a member of grove family uses I²C based Honeywell HMC5883L digital compass

Grove - 3-Axis Digital Accelerometer(±16g) (ADXL-345 ) also called 'Gyro' Based on the excellent ADXL-345, this I2C digital 3-axis accelerometer has excellent EMI protection. Its variable output makes it suitable for a wide range of applications: HDD shock protection Vibration sensor Game controller input Robotics Smart vehicles Anywhere you need to obtain motion-sensing & orientation information.