In his write-up, [Mike] started by listing all the different sensors he had considered to measure the oil level and finally opted for an ultrasonic sensor. In his opinion, this kind of sensor is ...

The videos will discuss variable area, differential pressure, vortex, ultrasonic, turbine ... Then we will discuss the causes of noise in sensor circuits, how the noise affects sensor accuracy, and ...

[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor kit and an Arduino ... circuitry to drive them. Some circuit surgery is required to ...