Simple dc-dc converter using 555 timer ic (7.5-35v) Timer 35v conversor Ic 7408 logic gate chip
IC 7408 Logic Gate Chip - Datasheet and Pinout - NetSonic
7408 datasheet pinout logic
Simple DC-DC Converter using 555 Timer IC (7.5-35V)
IC 7408 Logic Gate Chip - Datasheet and Pinout - NetSonic