This circuit can keep a set of lamps on for up to 1 minute, time given by C2 and R2 that can be changed. The load depends on the relay. The circuit is old, from 1988 documentation, but totally viable today.
This circuit was found in 1968 General Electric documentation. The circuit uses components from the era...
This 1989 circuit generates horizontal bars on the screen of an old analog television. The circuit...
Analog Devices ADuCRF101 Wireless Data Acquisition System Now at Mouser February 24, 2015 - Mouser...