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 ...

A DIY The Wrench maker has built a smart desk dustbin with an automatic iris-style lid, adding both functionality and a ...

A defective parking sensor can be expensive. Here is a small circuit that you can use to quickly and easily detect defective ...

[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 ...

The environment in a rainwater tank is very hostile to electronics. Sooner or later, the high humidity destroys e,g, the plug connections. Here my newest solution to avoid this, using better material, ...

[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 ...