This circuit controls 6 LEDs in two sets with the phase change cycles controlled by a 555 oscillator. The circuit can be powered by voltages between 6 and 12 V.
This 6-transistor transistor radio was manufactured in Japan in the 1960s. It is a portable...
The figure shows how to generate excellent quality sinusoidal signals using the XR2206. The...
This circuit found in an American documentation from 1964, alters the duration of a pulse and can...