DV Hardware bringing you the hottest news about processors, graphics cards, Intel, AMD, NVIDIA, hardware and technology!

   Home | News submit | News Archives | Reviews | Articles | Howto's | Advertise
DarkVision Hardware - Daily tech news
October 21, 2016 
Main Menu
News archives

Who's Online
There are currently 100 people online.


Latest Reviews
Zowie P-TF Rough mousepad
Zowie FK mouse
BitFenix Ronin case
Ozone Rage ST headset
Lamptron FC-10 SE fan controller
ZOWIE G-TF Rough mousepad
ROCCAT Isku FX gaming keyboard
Prolimatech Magnetic Pin

Follow us

Howto create a USB battery charger

Posted on Sunday, April 29 2007 @ 05:36:52 CEST by

Interested in creating your own USB powered NiMH and NiCD AA battery charger? Check out this guide over at Stefan's Electronics website to learn how to build such a device:
The charger in this project is designed to charge two AA NiMH or NiCd cells of any capacity (as long as they are the same) at about 470mA. It will charge 700mAh NiCds in about 1.5 hours, 1500mAh NiMHs in about 3.5 hours, and 2500mAh NiMHs in about 5.5 hours. The charger incorporates an automatic charge cut-off circuit based on cell temperature, and the cells can be left in the charger indefinitely after cut-off...



DV Hardware - Privacy statement
All logos and trademarks are property of their respective owner.
The comments are property of their posters, all the rest © 2002-2016 DM Media Group bvba