Electronic Circuit Diagrams



Digital Logic Circuits. Interface Design. Data Bus Drivers. Digital Test Tools. CMOS and TTL chips. Multiplexers and Ports.

Analog Blind Dial On Delay Timer

It is called analog dial timer as it has no digital display, but the chip is digital it is CD4541. It is Mains operated, you could make on-delay or off-delay. By changing the caps and resistors or with even dip-switches you could get timing of few seconds to many hours.

on: 7/12/2019