How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
MUO on MSN

My washing machine tells me when it's done — thanks to this $20 sensor

I know this may sound sappy, but I'd be willing to do whatever I can to make life a little easier for my wife. She got dealt ...
IEEE

Micro Linear Ultrasonic Motor With a Hall Sensor-Based Feedback Control System

Abstract: We propose a one-millimeter-scale linear ultrasonic motor and its feedback control system with a Hall sensor. The size of the stator measures 1.6 mm in height, 1.6 mm in width, and 0.3 mm in ...
IEEE

Development of Flexible Highly Precise Ultrasonic Sensors for Safety Control in Human–Robot Collaboration

Abstract: Proximity sensing is of great importance for robot control during human–robot collaboration (HRC). Commonly used machine vision sensors or photodetectors are subjected to the light block ...