5 thoughts on “Tesla coil tuner

  1. i just want to say thank you to hack a day for getting back to real hacks. this is pretty sweet, i was starting to fear that his site had gone soft

  2. Note for using this: A (pure) square wave is composed of summation of a fundamental frequency and every odd harmonic above that. Thus if you’re banging your coil at 100kHz with this unit (which generates a square wave), you are actually hitting it with a 300kHz, 500kHz, 700kHz, etc. signal as well. So if you get a strong response at a particular frequency, try dialing lower and see if you get a stronger one.

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