This “Half adder” circuit uses NAND gates from a 7400. The power supply must be 5 V.
This circuit uses the LM34 sensor for degrees Fahrenheit and has a scale from 3 to 300º F...
This circuit from a 1998 publication can be used as an entry bell, as a calling device or in other...
We found this circuit in a 1974 integrated circuit manual. Operational amplifiers can be of...
