Technology has allowed people new ways to keep their homes safe without expensive and intricate security systems, and these ...

The idea behind this compact and economical Vibration Sensor Alarm is very simple. It uses a cheap and cheerful vibration sensor to drive a piezo-sounder. As can be seen in the circuit diagram, it is ...

Vibration analysis is a powerful and non-invasive way to measure, understand, and quantify the internal dynamics of mechanical systems, but the cost of the necessary instrumentation is sometimes a ...

The plug-and-play style of smart home devices is convenient but expensive. ESPHome is monumental in helping you save costs and build your own smart devices to pair with Home Assistant. All you need is ...

There are a lot of ways to keep your stuff from getting stolen, but legendary DIYer Kip Kay shows us a $2 alarm that will fit on just about anything. All you need for this is some soldering skills, a ...

Part 1 of this series addressed the advantages and disadvantages of various vibration sensors; Part 2 examined signal conditioning and system hardware selection and configuration. I’ll wrap up by ...