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.
The frequency of this oscillator depends on R and C (see math section for electronics). The...
This circuit, suggested by the Linear Applications Handbook of National Semiconductor, uses a very...
January 2017 - The new MAX14001 and MAX14002 analog to digital converters from Maxim can now be...