The Sharp GP2Y0A21YK0F measures distance by optical triangulation: reflected infrared light moves across a position-sensitive detector with target angle…
The ADXL345 is a three-axis accelerometer with ±2, ±4, ±8, and ±16 g ranges and I2C or SPI communication. At rest it measures the gravity component along…
A piezoelectric disc generates voltage when bent or struck and can act as an actuator when driven by an alternating voltage. Its pulse may reach a high…