This circuit can be implemented with other comparators in the same series. The circuit is from a component manual and the supply voltage between 3 and 12 V depends on the application.
Found in an issue of Elektor magazine in the 90s, this battery tester is based on the LM3914. The...
I found this circuit in a July 1982 English magazine. The circuit is still viable by simply using...
This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of...