This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000 uF depending on the desired time. The circuit is from an Electronics Now from June 1995.
This circuit was obtained from a European magazine of the 1990s. The integrated circuit used is...
Using a ceramic resonator, it is possible to vary the frequency between 4.9 MHz and 5 MHz. The...
In the figure we have the way to obtain a monostable action by lighting an LED for a certain time...