Re: MAX31855 Thermocouple Amplifier and Multiplexer
I'm fairly new to electronics, can you help me better understand how one would connect the 8:1 multiplexers to the MAX31855 and Arduino UNO?
From my understanding, one multiplexer would take in the positive leads of the thermocouples and another multiplexer would take in the negative leads into the 8 analog inputs. Then the multiplexers each would send one analog output (one positive and one negative) to the terminal of the thermocouple amplifier.
But what about the select pins? Do those connect to the arduino? If there are 3 select pins per multiplexer, would the arduino need 6 analog pins?