Posted: 2017/06/09 by CDB
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:
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.
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