A 2 Watt audio amplifier made from discrete components.
How to make a 2 Watt audio amplifier from discrete components
July 24, 2015
2N3906, 3 watt amplifier, BD139, BD140, simple
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Showing posts with label simple. Show all posts
Showing posts with label simple. Show all posts
Friday, 24 July 2015
Monday, 13 July 2015
Cheapest High power LED driver circuit schematic
July 13, 2015
cheap, circuit, LED, LED driver circuit, simple
1 comment
There are many other articles on internet with simpler circuits but none of them are cost effective or as cheap as this one.
Using some easy to get cheap components you can make a much better LED driver than you would have thought of.
Using some easy to get cheap components you can make a much better LED driver than you would have thought of.
Thursday, 4 August 2011
How to make the simplest electric motor - 2
August 04, 2011
battery, cell, diy, easy, electric, motor, project, simple
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| Making a simple Motor out of an alkaline cell, neodymium disk magnet, copper wire and a drywall screw. |
A motor in 10 minutes
August 04, 2011
150W, 2N3055, amplifier, girlfriend, moon, project, relationship, semiconductor, silicone, simple, transistor, working with relations
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| Back in the 1960's my father taught me how to make the little electric motor we will make here. Sometime in the 1980's I saw a description of it in the magazine "Physics Teacher". Lately I have seen it described as Beakman's motor, after the science oriented TV show on which it recently appeared. |
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