Three different hardware sensors will be used in this chapter to get sensor readings from the environment. The following photograph is of a thermistor, showing the location of the temperature sensor:
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Courtesy of adafruit.com
The following photograph shows the light sensor that is available on the device:
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Courtesy of adafruit.com
The following photograph shows the accelerometer, which can be used to detect motion, as well as tap and double tap strikes on the board:
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Courtesy of adafruit.com
Let's check our first recipe now.