LM335Z temperature sensor
1K ohm resistor (brown, black, red)
Breadboard
Some wire
I had a little trouble finding code for this temperature sensor online, but ended up getting enough pieces together to finally get it working.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | //Sketch created by Jacob Antoun //10/20/13 // //Wiring Info: //Nothing is connected on the collector //Analog Pin 3 is connected to the Base //1K ohm resistor is connected to the Base, after the AnalogPin //Ground is connected to the Emitter // #define tempSensor A0 //Puts the LM355Z temperature sensor on anolog pin 0 const float miniVoltsToKelvin = 0.004882812 * 100; //found this online, I don't remember the source :( void setup() { Serial.begin(9600); //initialize the serial monitor } void loop() { float kelvin; float fahr; kelvin = analogRead(tempSensor) * miniVoltsToKelvin; //converts the reading from the arduino into kelvin fahr = 1.8 * (kelvin - 273) + 32; //converts the kelvin to fahrenheit Serial.print(fahr); //prints to the serial monitor Serial.print(" degrees"); Serial.println(); delay(1000); } |
If you want a copy of the code, and to see other projects I'm working on, look at my GitHub.
https://github.com/jacobantoun/LM335Z
Below are just two images that show the wiring of the temp sensor
Just showing the wiring of it on a breadboard
Notice how nothing is connected to the collector, and look at the placement of the analog pin and resistor.
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