This circuit was found in National Semiconductor documentation from the 90s. The circuit uses two sensors, one of which is a reference thermocouple for cold junction.
This high power transceiver provides a few watts of output thus enabling long distance...
More inputs can be added to this adder that we found in the January 1995 Electronics Now magazine....
This circuit generates a train of pulses that depends on the time that is pressed PB and the value of...