Introduction With winter come closed windows and doors, the air quality might be of less quality in such conditions. So I took the opportunity of a visit at IKEA to buy a VINDRIKTNING. This is a PM2,5 device indicating air quality with green/amber/red light. The goal of this post is to make it smart and […]
Introduction This article is a follow-up of my previous (old) French post “Domotiser une ancienne chaudière mazout : Gestion du thermostat“. That previous built used a custom firmware to control relays, measure water temps and show status on a OLED screen. Time has past and Tasmota is a very capable and easy to integrate framework. […]
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 […]
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 […]
Intro This instructable is part of my DIY Home Automation series, check out main article “Planning a DIY Home Automation System“. If you don’t know yet what Homie is, have a look at homie-esp8266 + homie from Marvin Roger.There are many many sensors. I’m covering the very basic ones in order to give reader the requirements to get started building […]