Arduino Pt100 Kullanımı. The temperature vs. Read analog input as voltage.
Attach pt100 or pt1000 rtd. Now connect the circuit with arduino and read the voltage from the resistor at transmitter output. Vin is 5 volt from arduino r1 is a resistance of known value in my.
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Measuring temperature using a pt100 and an arduino. Pt100 is a platinum resistance thermometer which change its internal resistance according to temperature. In the name pt100 100 represent for ohms ie. Ohm law for calculating reistance needed for pt100 transmitter.