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THE SOTH JOURNAL

Local control

Ideas, know-how, and a little inspiration for your connected home.

WORTH A CLOSER LOOK

Local control

A local Home Assistant integration holds Zendure SolarFlow batteries at zero export and now plans charging around Nord Pool prices

A community developer has published Zendure RestAPI, a custom Home Assistant integration that controls Zendure SolarFlow home batteries entirely over the local network. It talks to the battery's own HTTP server through Zendure's zenSDK API, with no Zendure cloud account and no MQTT broker. The author announced it on the Home Assistant forum on 16 O
Oct 17, 2026
4
min read

How to flash ESPHome onto an ESP32 for the first time

The first install is the awkward part of ESPHome. You need a USB data cable, a browser that talks to serial ports, and a board that actually enters programming mode. After that, every change can go over the air. This guide covers installing the Device Builder, creating a first configuration, flashing over USB, joining Wi-Fi, and connecting the devi
Oct 16, 2026
7
min read

Home Assistant 2026.11: Teslemetry will read Powerwall data over the local network every 5 seconds

Teslemetry users with a Tesla Powerwall get faster readings in Home Assistant 2026.11. Pull request #184808 by Brett Adams, merged on 15 October 2026, makes Home Assistant read a paired Powerwall's live values directly over the local network every 5 seconds, and its configuration every 30 seconds. The matching documentation change went into the nex
Oct 15, 2026
3
min read

How to set up Mosquitto MQTT in Home Assistant

MQTT is a lightweight publish/subscribe protocol. A broker sits in the middle: clients publish messages to topics, and other clients subscribe to those topics. Zigbee2MQTT, many Tasmota devices, ESPHome's MQTT client mode, and plenty of DIY sensors all speak it. Home Assistant can act as one of those clients once you point it at a broker.
Oct 15, 2026
7
min read

How to add Matter devices to Home Assistant

Matter devices talk over your existing IP network. Wi-Fi and Ethernet Matter plugs and bulbs join the same LAN as Home Assistant. Thread Matter sensors and locks join a low-power mesh, and a Thread border router bridges that mesh to your LAN. In both cases Home Assistant runs its own Matter controller: the Matter Server app on Home Assistant OS.
Oct 15, 2026
9
min read

Google Home moves Philips Hue bridges to local Matter control

Google's release notes for 14 October 2026 include a change that Philips Hue owners will notice: existing Hue bridges linked to Google Home are upgraded in the background to local Matter control through Google Home hubs. Google promises faster responses and better reliability, and you do not have to re-pair anything.
Oct 14, 2026
3
min read