This video game is another of the AY3 series with the AY3-3606 integrated circuit. The circuit was found in the September 1980 Radio Electronics magazine. The circuit does not include the input power.
This antenna for the frequencies 146 or 440 MHz was found in a magazine 73 for Amateur Radio of...
This circuit produces 1 kHz square signals using the CMOS IC 4070. The frequency is given by the...
Found in a 90s PE Hobbyst Handbook, this circuit mimics the sound of a space gun. The components...