---
name: "admtm"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/admtm"
---

# admtm(4)

Analog Devices ADM1025 temperature and voltage sensor

## NAME

**admtm** – Analog Devices ADM1025 temperature and voltage sensor

## SYNOPSIS

**admtm\* at iic?**

## DESCRIPTION

The **admtm** driver provides support for the Analog Devices ADM1025, SMSC 47m192, and Philips NE1619 temperature sensor. The device possesses internal and external temperature sensors, plus a variety of voltage sensors. These values are made available through the [sysctl(8)](/sysctl/8.md) interface.

## SEE ALSO

[iic(4)](/iic/4.md), [intro(4)](/intro/4.md), [sensorsd(8)](/sensorsd/8.md), [sysctl(8)](/sysctl/8.md)

## HISTORY

The **admtm** driver first appeared in OpenBSD 3.9.

## AUTHORS

The **admtm** driver was written by Theo de Raadt ⟨*deraadt@openbsd.org*⟩.