This is the traditional circuit from the 1980 racing video game with the AY3-6603-1 that we also published at the time in our magazines. This circuit is from the Radio Electronics magazine of August 1980.
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...