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. 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 output. To achieve this, I […]

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 […]

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 […]


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 […]

Gaming PC rig special quarantine : Intel and GeForce

Introduction Given the current events, most of us probably have some free time. This is the perfect opportunity to plan your next PC configuration 🙂 This article does not aim to be the cheapest or even the most powerful but rather to be the most balanced. The products listed here are the ones I would […]

Use Homie Firmware to Drive Sonoff Switch Module (ESP8266 Based)

Introduction This is a followup instructable, I’ve written this one a bit after “Building Homie Devices for IoT or Home Automation“. The later was focusing on basic monitoring (DHT22 FR/DE, DS18B20 FR/DE, light) around D1 Mini boards. This time, I’d like to show how to add a serial header for FTDI adapter (FR/DE) on a Sonoff WiFi […]