This is the application note circuit of the integrated circuit used with the LASER diode. The circuit was obtained from the Electronics Experimenter's Handbook of 1992.
This circuit is from a March 1978 Radio Electronics magazine article that showed how to build it....
This circuit was obtained from an article in Radio Electronics magazine in October 1966. It...
In the figure we have a bistable circuit that activates LEDs from touch rings and turns off data...