This circuit works on analog I/O ports and was suggested by an Electronic Design from the 90s. It can be used to work as a shield in projects with microcontrollers.
The idea of this automation can be extended to other applications that involve the control of...
The basis of this circuit is a National Semiconductor operational amplifier that functions as a...
This article, from a 1994 publication, applies to old cars that have contact breaker, but can be...