Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

In the name of science, I introduced three of the worst 12V adapters (from My kingdom for a 12V adapter) to my bandsaw. What I found may shock you. First on the chopping block, the “EH1205”. Wait!

Rumors have already pointed to the forthcoming Nvidia GeForce RTX 5090 drawing a lot of power, but the latest speculation is that the new GPU could have not one, but two 16-pin power sockets. When ...

Overclocker 'Der8auer' pushes up to 750W of power through a single 12V-2x6 power cable on the ASUS ROG MATRIX RTX 5090 without shunt mod or BIOS flashes.

Folks who run in RTX 40-series circles online know that CableMod was the first company to come to market with 90-and-180-degree adapters for the 12VHPWR cables required by 40-series GPUs. The adapters ...

So you have tested everything from the motherboard to the floppy drive. Still having problems? Have you tried testing the power supply? This Daily Drill Down by Faithe Wempen gives you the scoop on ...