Theory: Ultrasonic Sensor Usage: Speed Sensor Model Number: ADXL345 Type: vibration sensor This device combines a vibration sensing capability with the ADXL345 model and is described for use as a speed sensor. It is positioned to support speed related measurements through vibration data. Key benefits Enables speed estimation by monitoring mechanical vibration Utilizes the well known ADXL345 sensor for reliable vibration data Applies a sensor concept described as Ultrasonic Sensor theory to speed sensing applications Key attributes Function: vibration sensing for speed related monitoring Model: ADXL345 Type: vibration sensor Theory: Ultrasonic Sensor Usage: Speed Sensor Compatibility: suitable for systems that incorporate vibration sensing and can accommodate the ADXL345 based approach Size: not specified in this description Material: not specified in this description Performance: data quality depends on configuration and operating environment Use scenarios Industrial motor speed monitoring: measure vibration from rotating machinery to infer RPM and detect abnormal speed changes Conveyor belt speed verification: monitor vibration signals to estimate belt speed in packaging and materials handling Engineering testing and prototyping: analyze vibration patterns during development to estimate speed and study machine dynamics