OWTEMP(4) Device Drivers Manual OWTEMP(4)

owtemp — 1-Wire temperature device

owtemp* at onewire?

The owtemp driver provides support for the 1-Wire temperature sensor. The sensor possesses a single temperature value that can be accessed through the sysctl(8) interface.

The following chips are supported by the driver:

  • Maxim/Dallas DS1820/DS18B20/DS18S20/DS1822
  • Maxim/Dallas DS1920

intro(4), onewire(4), sysctl(8)

The owtemp driver first appeared in OpenBSD 4.0.

The owtemp driver was written by Alexander Yurchenko <grange@openbsd.org>.

OpenBSD 7.8 July 16, 2013 OWTEMP(4)