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Circuit Friday: DHT22
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Circuit Friday: DHT22

Last week for Circuit Friday I introduced temperature sensing with a thermistor - effectively a resistor whose resistance changes based on temperature. We were then able to read the variation of current through the circuit, apply some math, and come up with a temperature. At a high level, this is

  • Kevin Hoyt
Kevin Hoyt Nov 14, 2014 • 5 min read
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