Based on CMOS logic gates, this circuit was found in an Electronic Design from the 90s. The circuit is for voltages from 11 to 15V, but it can be changed,
This circuit was found in the December 1995 issue of Electronics Now magazine. The circuit...
In the figure we have the photo-conductive way of using a photocell to control a small motor with...
This circuit, which can be used on percussion instruments, has the oscillation point adjustment made in...