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There's only 5 bytes of data being transferred (2x2 bytes of data, 1 byte checksum), so no need to keep a useless byte.
Fix #37 by optimizing pulse read to use direct port access on AVR, stops checksum failures from missed signals.
This is an Arduino library for the DHT series of low cost temperature/humidity sensors. To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder DHT. Check that the DHT folder contains DHT.cpp and DHT.h. Place the DHT library folder your <arduinosketchfolder>/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE.
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