This circuit was found in the January 1996 issue of Electronics Now magazine. The circuit is powered by voltages from 10 to 24 V and has a control for the intensity of the output signal.
This VCO or Voltage Controlled Oscillator uses common components. TR1 can be a BF245 and TR2 a...
This circuit was found in a 1967 RCA publication. The circuit uses components from that time, and...
Here is a very simple and economical electronic game. Using only one integrated circuit and one...