Arduino: Use LED as a light sensor

2013年4月26日 | By News | Filed in: News.

http://www.instructables.com/id/Arduino-Use-LED-as-a-light-sensor/
A while ago, I read a blog post about using a normal LED as a light sensor. After browsing around the Internet, I found that all the examples that I found were not working well or hard to read. Then I stumbled upon this instructable: http://www.instructables.com/id/LED-as-lightsensor-on-the-arduino/…
By: hansc44

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