They rebuild one of the most iconic components for an electronics tinkering beginner — an ultrasonic distance sensor, and what’s fun is, it stays fully functional after the rebuild!

Image: Polaroid Polaroid has announced new versions of its instant cameras, the Now and Now+. The third-generation models ...

(Passive InfraRed sensor) A device used to detect motion ... back a radar signal or transmit light to a photodetector in the distance. See network camera. THIS DEFINITION IS FOR PERSONAL USE ...

Wave Sensors Can Track Multiple People . mmWave stands for millimeter wave and describes the wavelengths of the radio waves that are used by these sensors, which are small enoug ...

Speaker two So, we need to make sure the Leslie cube and the infrared detector have the same distance and angle between ... and pointing the sensor at a right angle to the cube’s surface.