Found in documentation from the 90s, this circuit makes use of components from the time.
In this circuit we show how to configure the LM3914 as a bargraph or moving point, supplying 10...
This circuit is from a 1992 documentation, but the components used can still be easily assembled. The...
Found in an EDN from the 90s, this circuit uses an electret microphone. The output can be used to...
