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Articles about power supply


Power Adapter for a Nintendo DSi Video Game

August 18, 2012 by Dave Rongey

Using the Right Size Power Adapter for a Video Game – The voltage and mA output are essential to maintain the acceptable power requirements for the video game.


HELP – My Wii Won’t Work!

August 25, 2011 by Dave Rongey

I think I broke my wii. My wii does not want to turn ON. I tried doing what the internet said…


Electric Power Supply Wiring for a Solenoid

September 22, 2010 by Dave Rongey

Power Supply and Wiring for a Solenoid Valve Question: I’m running water through a Ehcotech 12 VDC 450 mA Electric Solenoid Valve. What amp 12 VDC power supply would I need to run this valve if the power supply is 35 feet away from the valve? Should I use a 450 mA, 700 mA, 2 […]


Electric Powered Sound System with a Car Stereo

July 30, 2010 by Dave Rongey

I’ve made a bicycle sound system that is power by a 12V DC 35AH battery. It’s basically, a car stereo powered directly by the battery..


Electrical Question about a Power Supply Size

June 24, 2010 by Dave Rongey

We’re not talking about a lot of amps, and since it won’t be plugged in all the time, is that safe?


Electrical Question about Voltage Adapters

June 24, 2010 by Dave Rongey

I have a small fan that calls for a 3v adapter. Can I use a 7v adapter instead?