This circuit was originally suggested in a 1968 publication to generate a white mark (frame) on a film at regular intervals to serve as a time reference.
This circuit was obtained from an 80's documentation from General Electric. The circuit uses an...
July 2017 - The new Surface Mount SM0402xx LEDs from Bivar can be found on Mouser. The new...
Found in a 90s American documentation, this circuit that was used in cars of the time, detects low...