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Linux Analog to Digital Converter via Parallel Port

Posted November 30, 2014 by Chris

"It can be a little expensive to read analog signals, for example temperature readings or light levels, into your computer. In this article we will show you (1) how Linux can use a computer parallel port and a $10 integrated circuit to read 8 analog channels at 12 bit accuracy, and (2) how we used this to build the Extreme Comfort System."

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