Latest Posts
How to Test IGBT Bricks – DMM Test & Lamp Test
How to Test IGBT Brick Modules with a Multimeter (DMM) and test IGBTs with a Lamp & Battery. IGBT Test with the Digital Multimeter is useful when the IGBT module cannot easily be removed or isolated. Lamp & Battery test for when the IGBT can be removed or isolated. See end of video for diagrams.…
SCR Powerblock Tester Circuit Diagram with iCircuit Circuit Simulator
Diagram of the SCR Powerblock Tester I designed and built. Designed and tested with iCircuit on an iPad. Note: not show in the schematic but the actual tester has two amp panels for current readout see video here https://www.kevingittemeier.com/scr-tester-homemade-diy-scr-powerblock-tester/ Click here to Subscribe to our Youtube Channel: http://goo.gl/DDfVab https://www.youtube.com/user/KGittemeier Check out these handy Electronics Test Equipment…
SCR Tester – Homemade DIY SCR Powerblock Tester
Here we take a look at an SCR Tester we built to test large power block SCR which required more current than commercially available small testers could provide. Click here to Subscribe to our Youtube Channel: http://goo.gl/DDfVab https://www.youtube.com/user/KGittemeier This prototype SCR Testing device tests the Gate Trigger Current (IGT), Latching Current (IL) and Holding…
DIY Diamagnetic Levitation from Scraps – 24 cents
Amazing at home Diamagnetic Levitation from scrap material and 24 pennies. Cheap diy diamagnetic levitator is a cool magnet trick you can do easily. Homemade Diamagnetic Levitation device demonstrates the properties of magnetism and diamagnetism. Homemade DiaMaglev Materials List: Strong Magnet (hard drive magnet) Diamagnetic Material (Motor Brush) Small Magnet (toothbrush head magnet) Spacers (pennies)…
DIY Diamagnetic Levitation
DIY diamagnetic levitation with an old hard drive magnet and carbon graphite elevator motor brushes used as diamagnetic plates. Crudely and quickly made for nearly free. You can also levitate a magnet with silver, bismuth, or pyrolytic graphite for best results. The graphite, silver, and bismuth act as a diamagnetic and repel a magnet regardless…
Free Energy?
Free Energy? Machines turning and radiometers spinning but no free energy here, maybe some green energy. Just some cool science and physics demonstration apparatuses to help get kids interested in science and thinking about things. Click here to Subscribe to our Youtube Channel: http://goo.gl/DDfVab https://www.youtube.com/user/KGittemeier These items can be purchased from the following Amazon Affiliate…
How To Build a Retractable Magnetic Plumb Bob
How To Build a Retractable Magnetic Plumb Bob Tie a retractable chalk reel line to a plumb bob. Be sure to get braided line as it wont twist and spin. Glue a magnet to the back for quick easy attachment to ferrous metal objects and also to hold the plumb bob while in storage. I…
DIY Magnetic Field Visualizer
How to see invisible magnetic field lines with this homemade Magnetic Field Line Viewer – 3D DIY. If you don’t want to build your own diy 3D Magnetic Field Demonstrator many are available for purchase like the following: https://amzn.to/2MubxUM Amazon Affiliate Link You can purchase the following from my Amazon Affiliate links or any similar products…
Running a Hard Drive Motor (BLDC) with an ESC
Running an old Brushless DC (BLDC) Hard Drive Motor with a ESC, RC electronic speed control. These are decades old hard drives with large aluminum platers that I have been meaning to spin up for years to do some magnetic projects. I have larger older 2 GB server drives I plan to spin up next…