Subscribe
 


What's New in Power and Energy Projects

Google
Electronics Infoline Web





Solar Thermally Pumped Hydroponic System

Solar Thermally Pumped Hydroponic System

This is a small scale test system for the idea of using temperature differentials to operate a ebb and flow hydroponic system. The theory behind it is the idea gas law PV=mRT.

Via Instructables | Posted on 2009.02.09 at 03:46

Xbox 360 Rechargeable Battery Pack Tear down

Xbox 360 Rechargeable Battery Pack Tear down

Do you own a Xbox 360 Rechargeable Battery Pack that was went dead? And you want to replace the rechargable batteries or try to shock them back to life ? -- OR -- Do you just wanna see what's inside one? Well I'm gunna show you how to tear one of these battery packs apart.

Via Instructables | Posted on 2009.01.08 at 01:21

Easy Test of Battery Amp-Hours Capacity

Easy Test of Battery Amp-Hours Capacity

How many amp-hours of capacity does your battery really have? Here's how to test the capacity of a 12 volt battery with an inverter, a lightbulb, and an electric clock.

Via Instructables | Posted on 2009.01.03 at 11:58

Rechargeable LED Safety Glasses

Rechargeable LED Safety Glasses

Here's how to mash-up a digital camera rechargeable battery with LED safety glasses. Background: Awhile back, I bought a pair of those clip on LED lights that attach to the arms of glasses.

Via Instructables | Posted on 2008.12.29 at 15:32

Battery Capacity Test

Battery Capacity Test

How many amp-hours of capacity does your battery really have? Here's how to test the capacity of a 12 volt battery with an inverter, a lightbulb, and an electric clock.

Via Instructables | Posted on 2008.12.27 at 22:30

Easy Test of Battery Amp-Hours

Easy Test of Battery Amp-Hours

How many amp-hours of capacity does your battery really have? Here's how to test the capacity of a 12 volt battery with an inverter, a lightbulb, and an electric clock.

Via Instructables | Posted on 2008.12.27 at 22:02

Easy DIY Electric Motorcycle Conversion

Easy DIY Electric Motorcycle Conversion

We started with a Honda Rebel junker and a dream - to make a practical, zero emissions vehicle for commuting in San Francisco. After consulting with some plans available online which required chopping the frame significantly, We decided to figure it out for ourselves.

Via Instructables | Posted on 2008.12.22 at 19:22

"Compound" parabolic solar cooker, make a template with technical drawing

"Compound" parabolic solar cooker, make a template with technical drawing

Compound parabolic dishes have a super advantage over parabolic dishes. You rarely have to reposition them as the sun moves. So you can leave them unattended for long periods! There are many possible compound parabolic dish configurations and rather than me try to satisfy everyone, I though it would be better to give you a method to make your own petal templates.

Via Instructables | Posted on 2008.12.21 at 16:15

Compound parabolic dish, make a template with technical drawing

Compound parabolic dish, make a template with technical drawing

There are many possible compound parabolic dish configurations and rather than me try to satisfy everyone, I though it would be better to give you a method to make your own petal templates.

Via Instructables | Posted on 2008.12.20 at 21:14

Quick and dirty Dreamcast Internal Battery replacement

Quick and dirty Dreamcast Internal Battery replacement

Bored of that stupid date imput screen EVERY time you turn your Dreamcast on? This is the solution I came up with (my English is very bad, sorry about that!) Just need 2 AA rechargeable batteries, 1 2AA battery holder, a couple of wires and tin (to solder, don't know the real english name) .

Via Instructables | Posted on 2008.12.18 at 18:16


Pages: 8  9  10  11  12  [13]  14  15  16  17  18  << Prev Page | Next Page >>