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 ...

[Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ultrasonic welded ...

[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 ...