3 Simple Ways to Share What You Make
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Jun 11, 2010
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Comment: You can try Digikey if you don't mind the shipping cost. Some electronics parts stores …
Comment: The circuit simply senses a change in capacitance of the sensor. You would have to make…
Comment: The piezo-electric material changes in capacitance as it bends. The op amp circuit is t…
Comment: I may have just used the wrong symbol in altium for the devie i used. It was a while ag…
Comment: I used the USB power from a computer, but you could easily just use a 9V battery or two…
Comment: well, it's all low pass at 50/60 Hz, so it will amplify any frequency above 1 HzThanks …
Comment: fixed! thanks for the catch
Comment: oh wow, sorry, there is supposed to be a ground symbol at the bottom
Comment: most definitelyThere are also some efficiency improvements that can be made to save mor…
Comment: not difficult at allAll you would have to do is remove some weight from the sensor and …
Comment: hmm, I can try, do you know roughly what is wrong?
Comment: thanks! I had a lot of fun making it. Hopefully I'll start seeing some cool ideas poppi…
Comment: I'm busy attending an electronics engineering course, it was cheaper because it was bou…
Comment: Adds to the ghettoness ;)
Comment: The card board is Surprisingly strong, it can easily hold two small solar panels (about…