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UTHUM(4) Device Drivers Manual UTHUM(4)

uthumTEMPer HID thermometer and hygrometer

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.

September 6, 2013 OpenBSD-5.6