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For the term "spark gap switching diy".

Arduino 7: Switching a Heavy Load Using MOSFET and PV Sensor

Here I continue to demonstrate the versatility of the simple Arduino pot-voltmeter system. NOTE: I get scrambled when I describe the mosfet pin hookup. The Load has no connection to the mosfet gate, it…

Joule Thief: JTBasic with Loopstick and Capacitor: Mode Switching

I took a standard loopstick 1-10 mHy variable inductor and wound a “primary” on top of the loopstick’s original coils. I used this arrangement as the inductor in my JTBasic testbed, with the 2n2222a…

Electric OU: More on Oscillations: Relationship of FG Drive Offset to MOSFET Switching

Or: Why a simple 555 timer cannot produce all the effects of the Ainslie circuit. The complete circuit schematic is available for download here: www.mediafire.com For the negative gate drive, low heat mode which…