This gallery contains 60 photos.
The analog part is the real heart of the device - here all of the precision magic and measurement happens. If you are interested in the detailed inner workings of the system, please read the service manual, which is available … Continue reading
This gallery contains 17 photos.
This is the second part of the teardown of the HP 3455A digital multimeter. It will deal with the logic part of the device. You can read the first part of the teardown HERE. And the last part, for the … Continue reading
This gallery contains 28 photos.
The HP3455A is a great device - Old, but great. It is a precision multimeter (voltage, resistance), made by HP in the 1980's. For part 2 (logic and control) CLICK HERE. For part 3 (analog and black magic) CLICK HERE. … Continue reading
I was wondering about something completely different, when it occured to me: electronics and programming are probably the only sciences that you can do at home at a professional level and have a aren't purely theoretical (practical as in: you … Continue reading
"Atheists believe that people can be moral and have a good society without religion. Christians believe that unless someone is threatening them with eternal damnation and goading them on with promises of paradise people will be evil." - noodleguy on … Continue reading
This gallery contains 10 photos.
Here are the photos I made over the years that I am most proud of. They are from various parts of the world and of many different types (technology, nature, whatever)... Enjoy.
WARNING : Coilguns are very dangerous things! Don't try anything unless you really know what your doing!!! Not only could you shoot someone, you also (more probable) might get electrocuted . The "experiments" described below are incredibly dangerous and should … Continue reading
The 555 generator is a super cheap solution to my problem. I needed to test a counter and was financially limited. The frequency didn't have to be accurate, anything better than pushing a button to get impulses was OK. This … Continue reading
WARNING: This article deals with high voltages, glass items and other fun things! The author is NOT responsible for any damage you do to yourself/others or whatever mischief you do. Do this at your own risk!!! I take no responsibility … Continue reading
I recently acquired an old EM80 magic eye tube. It seemed cool just to play around with it and maybe even make a nice sound level indicator - the thing it was made to do.The filament was OK, so I … Continue reading
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