This circuit can be used as an answering password system in a store, office, or other location. The circuit is from Intersil using components of the time. The circuit is from the 80's.
This circuit can use both separate LEDs and a common cathode display when one segment indicates...
We adapt this circuit of Radio Electronics - March 1990. The magazine no more exists, but the...
September 2017 - The new LDOs of STMIcroelectrinics LDLN025 for currents up to 250 mA and 1.5 to...