2 Results for "《 예약문의 OIO↗8489↗8306》강남레깅스룸㏊선릉레깅스mystery선릉레깅스Χ레깅스룸briefly 레깅스룸ㄷ강남레깅스룸┐강남레깅스㈋⒴선릉레깅스modification"

Extremely simple metal detector with a discriminatory function

Flip-Flop design with just one transistor. Nice for transistor-CPU's ! The principle can also be used for vacuum tube flipflops.