Monitoring and controlling my furnace using Tasmota

Introduction This article is a follow-up of my previous (old)¬† French post “Domotiser une ancienne chaudi√®re 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. […]