This circuit is from Radio Electronics from March 1985. The circuit uses common components at the time and LEDs as indicators. The power supply is 9V.
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...