Laser Proximity Sensors use laser beams to detect the presence or absence of objects within a certain range. They are used in security systems, robotics, automation, and industrial processes, where ...

It takes just a moment to add a new app to your phone, but adding a sensor to a military radar display takes years. That’s why air-defense troops must bounce between multiple systems, wasting precious ...

Recently [Glen Akins] reported on Bluesky that the Zigbee-based sensor he had made for his garden’s rear gate was still going strong after a Summer and Winter on the original 2450 lithium coin cell.

IKEA's transition to Matter makes smart home automation affordable. Discover how to secure your home with their $8 door ...

The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...

Building a camera sensor from scratch is no small feat. This project explores how light can be captured and turned into electrical signals, showing the complexity behind the technology that powers ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap off-the-shelf ...

CU Boulder researchers have built high performing optical microresonators opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...