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UTHUM(4) Device Drivers Manual UTHUM(4)

uthumTEMPer USB temperature and humidity sensor

uthum* at uhidev?

The uthum driver provides support for pcsensors TEMPer devices. The following devices are supported by the uthum driver:

1 Temperature and 1 Humidity
1 Temperature (internal)
1 Temperature (external)
2 Temperature (internal/external)
2 Temperature (internal/external)

The sensor possesses a collection of sensor values which are made available through the sysctl(8) interface. The humidity data unit is "%RH" (relative humidity) and the temperature data unit is "degC".

intro(4), uhidev(4), sensorsd(8), sysctl(8)

The uthum driver was written by Yojiro UO ⟨⟩.

There is not enough support for the external temperature sensor of the TEMPerNTC. Currently the uthum driver supports about 0 degC to 120 degC for the sensor.

April 19, 2010 OpenBSD-5.3