Humidity and temperature sensor.

The temperature sensor is reasonably accurate but humidity is ludicrously inaccurate but can be used to determine humidity changes?

In the past (2/1/2016) the kernel mode for reading the DHT11 did not work reliably or at all but in 2024 it appears to be functional but may require a few retries.

dtoverlay=dht11,gpiopin=17

cat /sys/bus/iio/devices/iio:device0/in_temp_input
26000

cat /sys/bus/iio/devices/iio:device0/in_humidityrelative_input
18000

Data-sheet