This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset current setting. The configuration can be adapted to operate with modern equivalent components.
The New Microchip development board is targeted to designers who work with 16- and 32-bit PICs....
Found a documentation on PCs from 1996, this circuit can be used as a shield. The relay is rated at...
This circuit is from a Japanese magazine of 1973. The circuit is designed to withdraw the power...