Temperature Sensor
TMP36 For this course we will be using the TMP36 Celsius sensor which comes factory calibrated to output 10 mV / degree C (datasheet on course site) Ladyada has created a full tutorial on the implementation of this sensor here: http://learn.adafruit.com/downloads/pdf/tmp36-temperature-sensor.pdf
Construction Install the temperature sensor on the daughter board, then using data line G/w-A bring the data to the main board and attach it to the analog input A0 Change your Arduino code to send the current temperature in degrees Celsius over serial to your computer In your code set analog reference to external (analogReference(EXTERNAL);) since we tied it to the 5v line from our Arduino for increased accuracy
Daughter Board Picture
Main Board Picture