howardsolar's channel

Dave is tired of hearing comments that ESD work mats effect your measurements. So here's proof that they don't.

PLEASE NOTE this is an early prototype. see the current model here:

http://www.youtube.com/watc......

Part 3 of the Open Hardware lab power supply design. This time the prototype build on a breadboard and some basic measurements, checks, and playing...

PART 1 is HERE: http://www.youtube.com/watc...

Part 2 of Dave's Open Hardware constant current linear regulated lab power supply design...

video of a parabolic solar cooker i bought a couple of weeks ago. it works very well, is very inexpensive, is lightweight (around 3.3 pounds) and w...

Warm water powers a small hydride heat engine that exerts a force stronger than a man can hold back.

Warm water powers a small hydride heat engine that exerts a force stronger than a man can hold back.

video shows how to easily build very inexpensive solar ovens. total cost $7.50. Items needed: 2 cardboard boxes, black paint and a piece of glass...

EnviroMission, Ltd. (www.enviromission.com.au; US Stock Market: EVOMY, Australian Stock Exchange: EVM) is a renewable energy developer of sustaina...

EnviroMission, Ltd. (www.enviromission.com.au; US Stock Market: EVOMY, Australian Stock Exchange: EVM) is a renewable energy developer of sustaina...

short video describing a small solar power system that i set up at my house. it consists of twelve 1 amp solar panels (15 watts each for a total o...

this was an interview with a scoll saw cutter that made pictures, very fine work,, i was amazed of the work that is put into a project,, enjoy

http...

THIS IS AN UPDATE TO MY SOLOR FURNACE,, I PUT A LARGER FAN, ON THE UNIT 10 TIME MORE AIR THAN THE DUCT FAN. thought you folks might enjoy seeing ...

I made this solar air heater last year, thought some of you might be interested in seeing it, took three months, but works great, if any questio...