PCFADC(4) - Device Drivers Manual #
PCFADC(4) - Device Drivers Manual
NAME #
pcfadc - Philips PCF8591 temperature sensor
SYNOPSIS #
pcfadc* at iic?
DESCRIPTION #
The pcfadc driver supports the PCF8591 I2C analog to digital converter, making its readings available through a sysctl(8) interface.
The driver reads up to four A/D lines configured as temperature inputs. Sensor names, type and calibration information are read from OpenFirmware.
SEE ALSO #
iic(4), intro(4), sensorsd(8), sysctl(8)
HISTORY #
The pcfadc driver first appeared in OpenBSD 3.9.
AUTHORS #
The pcfadc driver was written by Damien Miller <djm@openbsd.org>.
OpenBSD 7.5 - July 16, 2013