Seeed One Wire Temperature Sensor $7.97 For simple and easy temperature measurement using the 1-wire protocol with a prepared DS18B20 sensor. Adjustable IR Reflection Sensor (3-80cm) $9.32 This panel/plate mount IR reflection sensor has a 3-80cm threshold detection range. Grove - High Temperature Sensor $12.02 This isn't a plain outdoor thermometer - it has a […]
Happy Pi Day!
Dave Hrynkiw
March 14, 2006
March 14th - 03.14
So it stands to reason that at 3:09pm this afternoon (15:09), you should take a break, have a piece of pie, and remember how to associate the circumference of a circle with its area!
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.