---
name: "bgw"
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/bgw"
---

# bgw(4)

Bosch motion sensor

## NAME

**bgw** – Bosch motion sensor

## SYNOPSIS

**bgw\* at iic?**

## DESCRIPTION

The **bgw** driver provides support for the Bosch BMC150, BMI055, BMA222E, BMA250E, BMA255 and BMA280 motion sensors. The acceleration data as well as the chip temperature 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 **bgw** driver first appeared in OpenBSD 6.3.

## AUTHORS

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