This circuit, which can be built with several CMOS gates, was found in the March 1996 issue of Electronics Now magazine. The circuit has the base frequency determined by R1 and C1.
This circuit inverts the polarity of a 12 V input, providing an output of 15 V x 100 mA. The...
This system of sequential LEDs has its speed adjusted in a 1 M ohm potentiometer and this speed...
This circuit was found in the old Mullard transistor reference manual from 1960. The circuit uses...