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Home→Published 2011 → March

Monthly Archives: March 2011

PIR sensor

Posted on 26 March, 2011 by staffan
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Just got a PIR sensor. PIR, as I understand, stands for Passive Infra Red. It’s a cool little thing that detects motion, or actually changes of infrared light. Infrared, in this case, is heat. So whenever a person, or part … Continue reading →

Posted in arduino | Leave a reply

Encounter with a rotary encoder

Posted on 15 March, 2011 by staffan
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Out of curiosity (which btw is one of my main driving factors in life), I bought a couple of rotary encoders. A rotary encoder is a knob that turns in small steps. It has no minimum or maximum turning angle … Continue reading →

Posted in button, oscilloscope | Leave a reply
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