1000 High VOLTAGE GENERATOR from a BATTERY is Very Simple

High VOLTAGE GENERATOR from a BATTERY is Very Simple
https://zen.yandex.ru/media/dima/vysokovoltnyi-generator-ot-batareiki-ochen-prosto-5ef988ce0a919915fbd15fa1

https://zen.yandex.ru/media/dima/funkcii-fototranzistora-o-kotoryh-malo-kto-zanet--polevoi-fototranzistor-5ef5aaffed18e5523c4f5777

https://zen.yandex.ru/media/dima/obratnyi-fotorezistor-povtornyi-eksperiment-i-sravnenie-5ef5a06458c35d7f4404c20d