There’s an old laptop power supply providing 19 VDC, a dual-MOSFET board, a potentiometer, and a simple signal generator. The pulses from the signal generator trip the MOSFET, which in turn ...

If you’ve ever had a laptop charger die, you know that they can be expensive to replace. Many laptops require you to use a ‘genuine’ charger, and refuse to boot when a knock off model is used.

A three-port charger from Anker that has the capability to charge your laptop that’s available at a 41% discount. Right now, Amazon is offering a really great deal on the Anker Prime three-port ...