This experimental monostable CMOS circuit, activating an LED was found in a documentation from the 1980s. It is recommended to connect in series with the LED a limiting resistor of 470 ohms or more.
This circuit for the logic control of the 555 in a power supply was found in the October 1989...
This circuit makes use of an uncommon TTL component today, but it can be implemented with...
In the figure we have a circuit used in stair generators with the purpose of providing constant...