This circuit generates various types of sounds and can be used as a toy. The circuit is from Radio Electronics from January 1983. The amplifier can be replaced with a more modern type.
This circuit can be used to add a delay to a logic signal as shown by the input and output...
Found in the April 1974 issue of Radio Electronics magazine, this circuit is based on CMOS...
This circuit converts a high impedance signal into low impedance. The circuit has unit gain and...