We found this circuit in a documentation from the 90's. Information on the A/D converter was not given but types can be used according to the application.
This CMOS circuit for LED displays is from a Radio Electronics magazine from February 1989. The...
This circuit was obtained from an English magazine from 1976. The circuit activates a sensitive relay...
This circuit converts voltages from 5 to 12 V at voltages of 100 to 400 V. The transformer has a...