Second prototype, no visible killing sparks but make something glow.
Input power 24V - 35V from 5V USB powered step up converter or notebook 19V power supply.
Frequency 2Mhz - 4Mhz
160turns 6/6 mil track, PCB is 10cm x 10cm
More details here: [ Ссылка ]
No special components, just LED, BD243 transistor and 82K resistor
Project is inspired from [ Ссылка ]
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