This very low power circuit is based on the ICL7860. We found it in an Electronics Now from April 1995. The output current is very low.
We found this circuit on an Elektor from the 90s. The frequency is given by capacitor C1. The...
This linear LED scale circuit was found in the February 1992 issue of Radio Electronics magazine. Note...
This circuit is from the owner's manual of the integrated circuits used. The manual is old, which...