Use a relay to up the light and a transistor to up the fan, you can use however you want. The RGB led is to indicate the dispositive status. The status of the dispositive is defined for the distance ...

Have you heard about the Mini-Wheelie self-balancing robot from Elektor? You may have seen it in the March/April edition of ...

CERN scientists have built a 3840 MPixel detector using mobile camera sensors to track antihydrogen's fall in gravity. This ...

Everyone knows that ultrasonic cleaners are great, but not every device that’s marketed as an ultrasonic cleaner is ...

Did you know that the camera sensor in your smartphone could help unlock the secrets of antimatter? The AEgIS collaboration, ...

It might not be Pi Day anymore, but Elliot and Dan got together for the approximately 100*Pi-th episode of the Podcast to run ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (April 2025) that make the cut: ...

Recent laboratory tests and pilot deployments have demonstrated a promising new solution that integrates advanced sensors, machine learning, and edge-based implementation to enhance fault detection ...

Utilize analog and digital signal processing techniques in building a low-cost high-precision digital oscilloscope for high ...

A paper was real before the institution of Civil Engineers, London, noticed in the Mechanics' Magazine, which contains some interesting experiments in relation to the use of sea water in our steam ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property ...