---
name: "wbenv"
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/wbenv"
---

# wbenv(4)

Winbond W83L784R/W83L785R/W83L785TS-L temperature, voltage, and fan sensor

## NAME

**wbenv** – Winbond W83L784R/W83L785R/W83L785TS-L temperature, voltage, and fan sensor

## SYNOPSIS

**wbenv\* at iic?**

## DESCRIPTION

The **wbenv** driver provides support for the Winbond W83L784R, W83L785R and W83L785TS-L hardware monitors to be used with the [sysctl(8)](/sysctl/8.md) interface.

The W83L874R and W83L785R possess several voltage, temperature and fan speed sensors. The W83L785TS-L only has a single temperature sensor.

## SEE ALSO

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

## HISTORY

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

## AUTHORS

The **wbenv** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.