A 12V battery is getting low and needs some wind to charge up. The wind turbine outside faithfully stands watch high above the ground, waiting for a chance to spin in the wind.
Continue reading ‘Hoping for Wind’ »
Posted by Earl on January 22, 2010 at 4:10 pm under energy , wind . Tags: battery Comment on this post .
Review of a 12V splitter. This is also called a 3-way cigarette lighter adapter .
12V adapter-splitter review
This adapter plugs into a single 12V battery outlet and splits it into three outlets. Could be used to power three gadgets from your car or from wherever else you have a 12V outlet. I have one in my house for off-the-grid backup power.
Video review…
Continue reading ‘12V Three-Way Adapter’ »
Posted by Earl on January 21, 2010 at 3:27 pm under energy , product review . Tags: battery electronics Comment on this post .
The solar lights on my property have been dim or have been completely off at night. Maintenance can be done on these lamps to get them working again.
Continue reading ‘Solar Light Maintenance’ »
Posted by Earl on January 1, 2010 at 5:39 pm under chemical , energy , fun experiments , product review , solar . Tags: electrolysis , hydrogen Comment on this post .
Make Your Own Air Battery
The video below shows three different electrolytes for a cell. Which electrolyte will be the best, producing the most voltage and current?
Continue reading ‘Make Your Own Air Battery’ »
Posted by Earl on December 19, 2009 at 12:14 pm under chemical , energy , fun experiments . Tags: battery , salt Comment on this post .
Making a waffle out of sodium acetate trihydrate. This is the same stuff that makes up “hot ice” and heating pads.
How is the liquid made?
Continue reading ‘Sodium Acetate Trihydrate Waffle’ »
Posted by Earl on December 9, 2009 at 1:42 am under chemical , fun experiments . Tags: salt Comment on this post .
Acid can release electricity from metal. What is an easy-to-find source of acid? Tomatoes!
What kind of tomato is best?
Continue reading ‘Tomato Battery’ »
Posted by Earl on November 27, 2009 at 6:57 pm under chemical , energy , fun experiments . Tags: battery Comment on this post .
The video below shows how to make a combiner box to allow solar panels and a wind turbine to charge the same battery. Also shown in the video: How to make an extension cord out of spare CRT cables and heat shrink.
Continue reading ‘Combiner box for solar and wind to charge a single battery’ »
Posted by Earl on November 3, 2009 at 3:58 pm under energy , solar , wind .Comment on this post .
Two powerpole plugs connected together
How to put together Anderson Powerpole connectors without proprietary tools? See video…
Continue reading ‘How to Assemble Anderson Powerpole Connectors’ »
Posted by Earl on October 1, 2009 at 12:32 am under product review , tutorials . Tags: powerpole connectors Comment on this post .
Can a Peltier cooler be used to extract moisture from the air using off-the-grid power?
Continue reading ‘Peltier Cooler as Dehumidifier Grows Ice Crystals’ »
Posted by Earl on September 30, 2009 at 12:23 am under energy , fun experiments , thermoelectric . Tags: Peltier cooler Comment on this post .
As night begins, this spider spins its web against our house.
Posted by Earl on September 29, 2009 at 3:10 pm under nature .Comment on this post .