How to make basic THERMOMETER !! VERY USEFUL AND EASY!!
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Barn Find - What Is It - 1940's? Mystery Device Teardown!
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How a quartz watch works - its heart beats 32,768 times a second
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How to make a simple welding machine from spark plugs at home! Extremely easy and useful
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Let's build a voltage multiplier!
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Make an Automatic Temperature Control Sensor, Simple Electronic Project
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Pure Electronics Repair. Learn Methodical Fault Finding Techniques / Methods To Fix Almost Anything
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Stop Wasting Money on New Batteries! Restore Old AA Batteries Today!
23:40