The integrated circuits used in this configuration are not common today. The circuit is from the 1983 Intersil Databook. The indicator is 8 digits.
May 2017 - The new ROHM SFR series anti-sulfur resistors can now be obtained from Mouser...
This traditional metronome circuit is powered by voltages from 9 to 12 V and output drives a...
This circuit charges a battery to power a flashlight at night. The circuit is from an English...