Inductance meter April 14, 2010January 16, 2017dynamodan11 Comments Some time previous to getting my ham license, I was at a friends house who showed me an LC (inductance)…
Desoldering Tweezers January 28, 2010January 16, 2017dynamodan2 Comments Desoldering Tweezers Here is a new desoldering tweezer tool I just made, it’s rough and there will be improvements, very…
Breadboarding adapters November 19, 2009January 16, 2017dynamodanNo Comments Recycling old ISA cards I’ve long been a fan of solderless breadboarding. And frankly any kind of breadboarding, even the…
HW Foam Cutting Table January 22, 2009January 16, 2017dynamodan4 Comments Hot wire cutting bow, top terminal Here are more details on my hot wire foam cutting table. I show the details…
Jacobs Ladder April 12, 2008January 16, 2017dynamodanNo Comments Here is a jacob’s ladder I made, and I added a little circuitry to make it act as a speaker. …
Homebuilt Solid State Ignition Module March 19, 2008January 16, 2017dynamodan4 Comments Homebuilt Solid State Ignition Module, housed in electrical box Most of us think of complicated electronics, computer modules and such,…
Induction Heating March 15, 2008January 16, 2017dynamodan11 Comments A conceptual MOSFET self resonant oscillator This design is a result of small scale experimentation. I originally wanted to use…
Monster Quartz Halogen Bike Light March 10, 2008January 16, 2017dynamodanNo Comments Great ball o’ fire, it is! It was a dark and stormy night…and the 3-watt generator lamp was sporadic, cutting…
Homebuilt oscilloscope March 8, 2008January 16, 2017dynamodan1 Comment Miniature TV converted to oscilloscope Notes on converting that old compact tv set or computer monitor into an oscilloscope. Proves…
Homebuilt arc welder March 8, 2008January 16, 2017dynamodan43 Comments Build your own arc welder! Many of you have been so patiently waiting the arrival of these DETAILED PLANS that…