This circuit was found in the March 1982 Radio Electronics magazine. The component is a special circuit that generates programmed melodies selected by the switches.
The MC1455 integrated circuit consists of a version of the 555 made by Motorola. The circuit given...
This circuit, from the ON Semiconductor Thyristor Manual, controls both the speed and direction of...
This circuit allows linear brightness control of an LED from an input voltage. The power supply must...