For one-off projects or prototyping, it’s not too hard to find a wall wart or power supply to send a few joules of energy from the wall outlet to your circuit. Most of these power supplies use a ...
Disclaimer: This circuit is an industrial upgrade for the capacitor-based supply solution, it is connected to the 220V-AC Mains, non-galvanically isolated. if you are not familiar with the electrical ...
It is frequently advantageous to employ a transformer-less power supply solution to provide the required supply to low-power circuits. In fact, it is possible to convert the input AC voltage into DC ...