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$2 Van de Graaff Generator

Van de Graaff generator from found parts and a $2 M&M'S candy tin

Van de Graaff generator from found parts and a $2 M&M’S candy tin

When I was a little boy I was fascinated with static electricity and played a lot with sparks and attracting little pieces of paper to a plastic comb brushed through my hair. The comb was later replaced by an ebonite rod, also brushed through my hair, which my mother, a school physics teacher, brought home. It was great fun but brushing one’s hair gets old quick and, perhaps more importantly, some 30 years later it’s become crystal clear to me that human hair won’t always be so readily available for my static electricity experiments. Unless someone else volunteers theirs. And so it has become obvious: I needed to break my dependence on human hair as the source of high voltage energy! :)

Robert Jemison Van de Graaff to the rescue! His ingenious generator, developed in 1929, appeared to be a perfect replacement of the hair/comb generation technology, and it looks super cool doing it, too, with its tall column and a shiny metal sphere at the top! So, finally, some 30 years after I first read about Van de Graaff, I decided to take action and here is what came out … Read the rest of this entry »

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  • admin: Thank you very much for sharing, Rob!
  • Rob: eLABZ, I had the same issue in Ubuntu 14.04. I found I had to make a few small adjustments to the above approach...
  • Mark: It’s kinda like an internal problem on the circuitry sir. Have done series of tests to check if the...
  • admin: Hard to tell what’s going on with your LCD – probably hasn’t been initiated or some kind of...
  • Mark: Sorry for the late reply of you’re comment too sir. Been busied for a while troubleshooting our project.
  • Mark: Yeah sir. Anyway, We will just have to reconsider the theory of those motors again because it would be asked...
  • Mark Needham: Hey mirceboy, I am using a toggle switch, SPDT center off. I will manually start/stop, or a micro...
  • Jeff R: Can you please give me some details about how to reformat the code from milliseconds to microseconds so I can...
  • admin: You would have to reformat the code to start using microseconds instead of milliseconds for the time...
  • Jeff R: Thanks for posting, this was exactly what I was looking for. I’m using the Sparkfun SM-42BYG011-25...
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