Gosund SW5

Also known as Gosund SW5 A V2.1 Smart Switch BK7231N, Gosund SW5 A V2.1 Smart Switch BK7231T, Gosund Single Pole

Open firmwareImported

A free replacement firmware exists.

Get started

2 known ways to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.

Before you start

Back up your data and settings (and the stock firmware, when the guide says how).
Check the exact model, hardware revision and firmware version against the guide: a close model may not work.
Charge the battery or use a stable power supply; do not unplug during the install.

Flash over the air with tuya-cloudcutter

Medium

Needs a cable or the command line · tuya-cloudcutter

You need: Linux computer (not a VM) with Docker, Spare Wi-Fi adapter that supports AP mode
Device opened: No
Firmware: Works only with the Tuya firmware cloudcutter lists for this device: 1.0.1 (SDK 2.3.1-40.00), 1.0.2 (SDK 1.0.2-40.00). Check the "Main Module" version in the Tuya or Smart Life app and do not update the device first. Firmware built on Tuya's patched SDK (from February 2022) cannot be flashed over the air: serial flashing is the alternative.

Command line. The device can no longer use the Tuya apps or cloud afterwards.

No install report yet. · Report how it went

Open the official installer Read the guide first

Flash ESPHome over serial (device must be opened)

Hard

Opening, soldering or a programmer · ESPHome

Mains voltage. This device runs on mains power and must be opened: never open it while it is plugged in. For experienced users only.

You need: USB-serial adapter, 3.3 V
Device opened: Yes
Brick risk: Low
Reversible: Partly

Mains-powered: unplug before opening; for experienced users only.

No install report yet. · Report how it went

Official guide

OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.

ID: gosund/sw5
Category: switch
Vendor support: Unknown
chips: BK7231N, BK7231T, ESP8266
Updated: 2026-10-17

Curate this record on GitHub JSON Claim this device

Being worked on

No live claim. If you start working on this device, claim it so nobody duplicates your work.

Interfaces

No interface documented yet.

Projects

Project	Kind	Origin	License
tuya-cloudcutter	tool	community	MIT
tuya-cloudcutter	tool	community	MIT
ESPHome	firmware	community	not stated
Tasmota	firmware	community	GPL-3.0

Verification

Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.

Provenance

tuya-cloudcutter device profiles (MIT, fetched 2026-10-17) · about this source
ESPHome Devices (GPL-3.0, fetched 2026-10-17) · about this source
Tasmota Device Templates Repository (EPL-2.0, fetched 2026-10-17) · about this source

AI assistance not stated.

Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.