Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...

Using the latest Raspberry Pi 4 Model B mini PC, you can easily create a sophisticated security camera system complete with a motion sensor. This setup will automatically send images taken using a ...

In an earlier column, I introduced my 12x12 ping pong ball array. As you may recall, each of the ping pong balls is equipped with a tricolor LED in the form of a WS2812B. These are commonly known as ...

Posts from this author will be added to your daily email digest and your homepage feed. is a senior tech and policy editor focused on online platforms and free expression. Adi has covered virtual and ...

Whether you’re looking for added security at home or easier navigation at night, motion-sensor lights can provide a boost of visibility whenever you need it. The best outdoor motion-sensor lights have ...

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This project is to prototype a set of self-powered (such as piezoelectric, thermostat, solar, etc) embedded sensor systems for pervasive computing. A tangible exam is a body-temperature powered motion ...

Students built an Interactive Sensor Box to teach ENGR1 students about different sensors that they do not learn about in ENGR1L. This Sensor Box was build using a ping sensor with LEDs, solenoids with ...