This cassette player motor speed control was found in the January 1991 issue of Radio Electronics magazine. The circuit is for voltages from 9 to 12 V.
We found this circuit in a 1986 documentation. It uses only LEDs, batteries, resistors and the...
This circuit is from a 1988 documentation, but uses components quite common today. The circuit...
This interesting high-quality amplifier configuration was featured on the cover of the June 1994...