This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus]’ ...

The U3M ultrasonic "Mini Probe" level sensor has a 4 to 6-in. operating range and extends 2 in. above the tank or drum surface. The device's PVC housing allows for a 40 to 60°C operating temperature ...

There is a lot of buzz about electromagnetic (EM) detection and ranging sensor technology, which encompass radar, lidar, infrared (IR), ultra-wide bandwidth (UWB), and many others. However, there are ...

Thiruvananthapuram: During monsoons and drought seasons, Kerala water authority (KWA) officials have to make calls to Peppara and Aruvikkara to get updates about dam level. And in areas like Peppara, ...

While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect ...

Ultrapure or high purity water has been purified to stringent criteria to eliminate contaminants that can have an adverse effect on people, products or equipment. These can include organic or ...