** Note: When upgrading from any prior version of the plugin to version 0.5.0 or greater, you will need to re-add your devices and rebuild existing automations. This is a one-time thing and is not a ...

Power doesn’t just disappear in one big breach. It slips away in the small stuff—a patch that’s missed, a setting that’s wrong, a system no one is watching. Security usually doesn’t fail all at once; ...

This is just an ultra-quick blog post about a nostalgic IC: µPC1237. It’s a timeless bipolar analog IC from NEC designed for protecting stereo audio power amplifiers and loudspeakers. I used to see ...

We all know how fireworks are lit. It is simple, hold the flame of a lighter close to its wick and the gunpowder does the rest of the magic. However, in this post, I am going to explain how to do the ...

So, I had set up my kitchen spotlights with a bunch of Hue bulbs. As much as I use the smart capabilities of them, I also wanted to be able to control them with a physical wall switch. Instead of ...

As smart devices are increasing day by day, there is need to add smartness to the old, rugged iron box. An iron box contains a simple resistive heater and thermostat to control iron’s temperature ...

This triac control module is a project for everyone interested in power electronics. It also gives you an opportunity to learn a bit about hardware-level programming. We describe all the wonderful ...

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1, 2 or 3 channel power analyzer, giving number or graphic display (scope picture or FFT) on a 128 x 64 LCD This project was inspired by the Power Meter published in Elektor Magazine in September 2015 ...

Ultrasonic sensor HC-SR04 is used to measure distance in range of 2cm-400cm with accuracy of 3mm. The sensor module consists of ultrasonic transmitter, receiver and the control circuit. The ultrasonic ...