---
name: "pwmleds"
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/pwmleds"
---

# pwmleds(4)

PWM LEDs

## NAME

**pwmleds** – PWM LEDs

## SYNOPSIS

**pwmleds\* at fdt?**

## DESCRIPTION

The **pwmleds** driver provides support for LEDs controlled by Pulse Width Modulation (PWM).

Currently, only keyboard backlight LEDs are supported.

## SEE ALSO

[intro(4)](/intro/4.md)

## HISTORY

The **pwmleds** driver first appeared in OpenBSD 7.3.

## AUTHORS

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