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 triggers on a lamp when the sensor (a metal plate us touched). Up to 100 W...
This circuit was obtained in an old Linear Technology documentation by applying to the monitoring of...
June 2016 - It can be obtained from the Mouser the MIROE 2253 that converts text into voice.Trata is a...