This circuit drives 4 sequences of 5 LEDs that can be of any color. The frequency depends on the characteristics of the photosensor. The circuit is from an 80's documentation.
We found this circuit in the 1990 Philips Databook. The circuit is a commercial application of the...
March 2017 - Mouser Electronics announces the availability of MAX17523, an overcurrent and...
The integrated circuit used in this 80's application is very hard to find today. The circuit is of an...