NOT gate made with pushbutton switch, NPN bipolar junction transistor BJT, and 74HC14 hex inverter integrated circuit IC. https://electronzap.com/010-not-gate-... / 31149047 Patrons can view diagram. / electronzap https://www.amazon.com/shop/electronz... As an Amazon Associate I earn from qualifying purchases. / electronzap / electronzap I now do my gaming, Fallout 4 for the time being, on Twitch. #NPN #NOTgate #7414