Light Sensor

This circuit is based on the ARDX 09 circuit from Oomlout.  It shows how the Arduino can monitor light values using a Photo Resistor and adjust a LED in response. Start by gathering your parts together:

Step 1:  Create the circuit


Step 2 – Write the code

Temperature Sensor

You can also use this same circuit to measure temperature with some subtle changes.  I used the Adafruit guide to help me and also remembered to look at the data sheet for my thermistor.

About CDB 362 Articles
Self-Employed Software Developer, Spark, Property Management, Hobby Forestry, Ex-Teacher, Engineering - Wood, Metal, Electrics & Computers. Outdoors - Walk, Cycle, Kitesurf,

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