. . . for those who really have some time on their hands! The recent rash of great battery-holder Instructables has inspired me to share my own method.
Via Instructables | Posted on 2009.07.14 at 02:02
This battery holder will handle 1, 2, or 3 AAA batteries. It can be made longer to handle more. In the same way that a clothespin spring forces the tip of the clothespin shut, it forces the handle end apart.
Via Instructables | Posted on 2009.07.13 at 22:57
It sounds like the perfect terrorist weapon, but it is a toy that teaches the principles of electrochemistry. It's also a high-tech squirt gun. The Plastic Hydrogen Bomb uses electricity to break apart water molecules into hydrogen and oxygen.
Via Instructables | Posted on 2009.07.13 at 13:39
Probably the cheapest DS battery loader ! Made from nothing or near, it works for NDS Fat and GBA SP. (Well you could easily adapt it to other Game boy or instruments) As I'm French, when I went to Canada for holidays, my DS battery loader wasn't able to work under 110V@60Hz (instead of 220@50Hz in France).
Via Instructables | Posted on 2009.07.13 at 03:05
Get the power you need from the power you have by wiring together different power sources to get the voltage or the current to drive your project. This is a simple insructable which will graphically demonstrate how to wire multiple power sources together to get the voltage and current you need for your project.
Via Instructables | Posted on 2009.07.13 at 00:49
This is a quick way to hold wires to the terminals of a AAA or a AA battery for electrical experiments. Two modified clothespins are mounted to a 3/4" thick wood spacer.
Via Instructables | Posted on 2009.07.11 at 19:54
In This Instructable I Will Show You How To Double The life Of Your Wireless Headsets Battery From 6 Hours To 12 Hours With This Very Simple Mod. step 1materialsIn Order To Do This You Need 1 Xbox 360 Wireless Headset An Old Small MP3 Player (I Recommend A Audiophase KZIII MP3/VIDEO PLAYER) A Soldering Iron With Rosin Core Sold…
step 2The PartsFirst Start By Opening The MP3 Player By Removing The Four Screws In The Back After That Remove The Two Screws Inside To Access The Battery Than Grab Your Soldering Iron An…
step 3Opening The HeadsetNext You Need To Open The Headset Now To Do This You Must First Remove The Ear Loop Wear The Ear Loop Connects are The First Screws To Remove After That The Speaker Part Sh…
step 4The AssemblySwap The Battery's Out And Solder The Connections Together Put The Screws Back In And Its Done You Have Just Doubled The Battery Life Of Your Wireless Headset.
Via Instructables | Posted on 2009.07.06 at 16:13
Greetings! I got the idea from this when I got some small solar cells from a catalog. I had noticed that most chargers for Energizer NiMH (Nickel Metal Hydride) battery cells produced about 3 volts.
Via Instructables | Posted on 2009.06.28 at 14:17
This is a small and short tutorial that explains step by step how to connect the Mega Lithium Backpack open source hardware shield to the Arduino Mega, to give it battery life, and allow the Mega to be untethered from the computer.
Via Instructables | Posted on 2009.06.27 at 03:26
Experience has taught me this: 1. Making portable projects with Arduinos requires batteries. 2. Making robots requires an easy accessible OFF switch.
Via Instructables | Posted on 2009.06.26 at 19:24