These are some great DIY projects that you can do for cheap.

I was looking for a sensor that could automatically detect falls to monitor the elderly. The first candidate that came to mind was a millimeter-wave radar sensor like the Aqara Presence Sensor FP2. It ...

Home inspectors often overlook them, and building codes rarely address them, but a home’s moans and groans can drive you ...

The follow heuristic. Trackers rotate their MAC address, so GhostTag treats persistence as the signal: a record is promoted to FOLLOWING only once it is a known tracker type, has been seen at least a ...

Project HomeSeismograph is a low-cost Arduino-based seismic vibration detector designed to monitor vibrations and display real-time signal changes on an OLED screen. The project was developed as a ...

In order to make the new CAD system have a higher level of integration and the ability to replace humans, a design model of building structure CAD system (MSCAD) based on multimedia simulation is ...