---
name: "admcts"
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/admcts"
---

# admcts(4)

Analog Devices ADM1026 temperature and voltage sensor

## NAME

**admcts** – Analog Devices ADM1026 temperature and voltage sensor

## SYNOPSIS

**admcts\* at iic?**

## DESCRIPTION

The **admcts** driver provides support for the Analog Devices ADM1026 temperature sensor. The device possesses internal and external temperature sensors, a variety of voltage sensors, plus fan RPM 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 **admcts** driver first appeared in OpenBSD 3.9.

## AUTHORS

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