How to charge a cell phone with a solar panel…
I show how you could charge a cell phone in an emergency, if you get cut off from grid power.
Archive for the ‘energy’ Category
A couple different adapters plugged into a 12V battery
My USB adapter quit working. I opened it up to see what the circuit looks like and determine what caused it to fail.
Also shown: Charging a cell phone with a wind turbine.
Continue reading ‘USB Adapter Repair – 12V to 5V Voltage Regulator’ »
This is a public record of my personal battery tests. I welcome your input and ideas. So far, I am having some luck with reviving batteries by surging and freezing.
Updated Jan-02-2011
Continue reading ‘Revive Rechargeable Batteries – Surge, Freeze, and Exercise’ »
Updated Jan-21-2011
How to change the batteries on Spykee, the robot.
Spykee came back to life when attached to a 12V portable battery.
Continue reading ‘Repairing and Replacing Batteries on a Spykee Robot’ »
This little girl says the funniest things.
From the summer of 2008 when I started to get serious about solar panels.
The original video shows a group of experimenters from Canada that are making Hydrogen in the form of HHO using electrolysis. Something goes terribly wrong.
Continue reading ‘Bubble Thing – HHO Fuel Cell Explosion Remix’ »
This post documents the steps to mount a 120W solar panel to a pole.
Why would you want to know your latitude? If you have solar panels, you can use your latitude to know how much to tilt your solar panel to absorb the most direct sunlight.
Lock up your solar panels to prevent theft
