This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is for motors up to about 1.5 A.
This circuit was obtained in a 1977 magazine, but it can still be easily assembled, as the...
This circuit was found in a Linear Technology manual from the 1990s. The component is the LTC1453...
This very high input impedance circuit is suggested by Texas Instruments. The circuit can be...