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 is another practical idea found in a 1997 documentation. This circuit allows a DJ to change the...
This circuit uses two 4001 ports to drive a relay. The circuit is from Electronics Now magazine, July...
This circuit is based on an LM3900 transconductance operational amplifier, found in 1992...