Node-RED Flow Overview

Home Assistant : Keep a plug always on (restore failed plugs)

Introduction This simple post explains how I setup a “Restore critical plugs powering off” and “Notify about critical plugs restoration” using Home Assistant and Node-RED. While this is hacky (in my case due to Home Assistant – Zigbee device updates : ZHA / ZHA_TOOLKIT OTA), it still fixes some real world issues like plugs turned off […]

Monitoring a boiler using Tasmota on ESP8266 and DS18B20 sensors

Introduction After having written about monitoring and driving an old fuel furnace, next step was to control a fancy thermodynamic boiler to optimize energy boiler uses. My boiler is a Remeha Azorra 200E, I wanted to be able to monitor its proper functioning: Measure power consumption; Mesure temperatures of air inlet, water tank and water […]

Home Assistant – Zigbee device updates : ZHA & ZHA_TOOLKIT OTA

Introduction I quickly put together this article to provide guidance on how I flashed my cheap AliExpress ZigBee Smart plug. These are also known as Tuya TS011F. Consider this as a work in progress article. The purpose is to fix a firmware flaw causing the plugs to turn off when reaching 251 volts. Even if […]

16-bits retro gamer clothing

This post is mostly a reminder to myself 😁 In 2022 being geek is chic, as are the gaming clothing. I’ll keep below some of the most iconic brands. The king of all This is of course the Neo Geo from SNK. This 16-bits machine has been and still is highly loved and renowned for […]

Zigbee devices selection for Black Friday, AliExpress coupons codes

Introduction When it comes to sourcing of cheap devices, AliExpress is a premium option. When it is Black Friday, well. You must have a look. Here is a selection of key products to build your home automation and strengthen your network mesh. Don’t tell anyone… Here are extra discounts All products on AliExpress : valid […]

ZBBridge

Setting up a Zigbee WiFi bridge using Tasmota and Sonoff hardware

Introduction This post is about bridging Zigbee devices to my Home Assistant server. From Wikipedia : “Zigbee is a low-cost, low-power, wireless mesh network standard targeted at battery-powered devices in wireless control and monitoring applications. Zigbee delivers low-latency communication. Zigbee chips are typically integrated with radios and with microcontrollers.” Make sure to not confuse with Z-Wave, they are […]

Sonoff RF Bridge 433 Mhz & Tasmota custom firmware

Introduction This project is about controlling power plugs connected to standing lights in my living room. I’ve a set of 3 plugs with one remote controller. The remote controller uses radio-frequencies (RF) to sent commands to the plugs. The RF are of the common 433 Mhz. My current home automation is hosted in-house and built […]