modified driver to correctly handle sign bit for the DHT22.
tested in freezer - dht_simpletest converts to F so the transition was failing at 32 F. see issue #9
Temp: 33.8 F Humidity: 18.6%
Temp: 33.6 F Humidity: 18.8%
Temp: 33.3 F Humidity: 18.9%
Temp: 33.1 F Humidity: 19.0%
Temp: 32.9 F Humidity: 19.2%
Temp: 32.5 F Humidity: 19.3%
Temp: 32.4 F Humidity: 19.4%
Temp: 32.0 F Humidity: 19.5%
Temp: 31.8 F Humidity: 19.7%
Temp: 31.6 F Humidity: 19.8%
Temp: 31.5 F Humidity: 20.0%
Note - tested DHT11 in the freezer, but it never reported any value < 1 C - according to the data sheet, its range is 0- 50 C so there is no need for a sign bit.
modified driver to correctly handle sign bit for the DHT22.
tested in freezer - dht_simpletest converts to F so the transition was failing at 32 F. see issue #9
Note - tested DHT11 in the freezer, but it never reported any value < 1 C - according to the data sheet, its range is 0- 50 C so there is no need for a sign bit.