I have a couple of Chinese programmable lab power supplies. Both switch mode power supply (SMPS) systems are rated for 110V-220V AC input. But the UNI-T UTP1306 power supply has an input voltage ...

The title of this video does not really cover its main goal and may frustrate some expectations. You may see it and think it is possible to double your EV charging speed at home with a wall charger or ...

This circuit, designed on request, has proven to be useful to indicate when the voltage in a power supply line is changing from 120V to 240Vac. It can be used in different circumstances and circuits, ...

When you're travelling internationally, you just need a normal travel adapter, right? Well, in most cases, yes. If you just ...