This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the 1993 Linear Technology Applications and uses common components at the time.
The integrated circuit used in this application is uncommon today. However, the basic...
This circuit controls a relay from the light incident on a sensor. The sensor is an LDR and the...
This circuit has already appeared on this site and in our articles. This version is from 1999. The...