Esp8266 Boiler Control, Set the perfect temperature, save on energy bills, and elimi Requires Arduino IDE with ESP8266 support to compile and upload to ESP8266-based controller (I run it on Wemos D1 Mini). EMS-ESP-Boiler is a project to build a controller circuit running with an ESP8266 to communicate with EMS (Energy Management System) based Boilers and Thermostats from the Bosch range and compatibles such as Buderus, Nefit, Junkers etc. My boiler is a Remeha Azorra 200E, I wanted to be able to monitor its proper functioning: 1. Measure power consumption; 2. May 15, 2018 · This project is part hardware, part ESP8266 Arduino framework code on a microcontroller and a little bit of HA configuration. Features Enable/disable central heating OpenTherm library to create thermostat for OpenTherm enabled boilers and HVACs using an OpenTherm controller and an ESP32 or other microcontroller - Jeroen88/EasyOpenTherm EMS-ESP-Boiler is an controller running on an ESP8266 to communicate with EMS (Energy Management System) based Boilers from the Bosch range. WiFi thermostat for ESP32 & ESP8266 with smart boiler control, temperature regulation, and hysteresis. I use a Netfit (in The Netherlands) and unfortunately, these range of Bosch boilers and thermostats in Europe are not OpenTherm compatible without an expensive This library provides implementation of OpenTherm protocol. The software is free, it develops as I have free time. There are 3 parts to this project, first the design of the circuit, second the The resulting board is designed for use with an OpenTherm-compatible Espressif ESP32 and ESP8266 firmware, providing control of compatible condensing boilers or air conditioning systems. You can find on Youtube an italian video tutorial about this project. I think it’s time to publish it. It has libraries ready to go for message passing (MQTT) to tell it when to flip switches, Over-The-Air updating so I can upgrade the system without plugging it into a computer, and tons of other stuff. Feb 8, 2024 · OpenTherm Library for HVAC system control communication using Arduino and ESP8266/ESP32 hardware. There are 3 parts to this project, first the design of the Learn: How to make a heating system using ESP32, heating element and temperature sensor, how to control room temperature, how to make a heater using ESP32. Apr 26, 2025 · This research describes the development and coding of an IoT-based boiler industrial automation system which integrates ESP8266 NodeMCU microcontroller with Blynk platform for real-time monitoring Jan 2, 2017 · The ESP8266 is an incredible little System-on-a-Chip (SoC) that has a WiFi radio and can be programmed just like an Arduino. With this you can control an output based on the temperature. Any possibility of improvement is accepted. This includes the Buderus and Nefit ranger of boilers, heaters and thermostats. Sep 19, 2023 · OTGateway is a powerful open-source solution for controlling OpenTherm-compatible boilers, turning your heating system into a smart one. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided. Feb 13, 2020 · Build an ESP32 / ESP8266 Thermostat Web Server with an input field to set a temperature threshold. Mesure temperatures of air inlet, water tank and water output. I built a small circuit to read and write values from my Boiler and Thermostat based on the E… This is a unit to control a central heating system via 433MHz radio signals. OpenTherm Jan 22, 2015 · This post is about a DIY project - Flashing a new NodeMCU firmware on the ESP8266, learn to write lua scripts and making the ESP8266 control a water heater. Control of heating is via a Blynk app. So you can replace traditional room thermostat and control and monitor your boiler remotely via Wi-Fi using web browser on smartphone or personal computer. Controller comminicates to the boiler using UART. About ESP8266 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps Feb 11, 2021 · This article describes how to build simple OpenTherm Wi-Fi thermostat using ESP32 WebServer and ESP8266/ESP32 Thermostat Shield. EMS-ESP-Boiler is an controller running on an ESP8266 to communicate with EMS (Energy Management System) based Boilers from the Bosch range. It also has 16 GPIO pins, many of which are available for the user in About Example of how to control an opentherm boiler with esphome arduino esp8266 smarthome esp32 home-assistant opentherm esphome Readme Activity Dec 4, 2025 · An ESPHome external component for OpenTherm boilers using Ihor Melnyk's adapter or DIYLESS Gateway. Find this and other hardware projects on Hackster. Jan 16, 2023 · The original heating system consisted of two control boxes that each had a 230 V mains connection coming in and a “request heat” control line going to the boiler. The proposed prototype of a boiler monitoring and control system consists of field unit and control unit as shown in fig 1, which includes a power supply, voltage regulators, current controllers, water level, temperature, humidity, and gas sensors, as well as an Arduino UNO and Node MCU ESP8266 Wi-Fi shield. OpenTherm OpenTherm library to create thermostat for OpenTherm enabled boilers and HVACs using an OpenTherm controller and an ESP32 or other microcontroller - Jeroen88/EasyOpenTherm Jan 16, 2023 · The original heating system consisted of two control boxes that each had a 230 V mains connection coming in and a “request heat” control line going to the boiler. 2 and works with all OpenTherm compatible boilers. io. I built a small circuit to read and write values from my Boiler and Thermostat based on the EMS protocol. Esp smart water heater Esp8266 based pcb to transform your boiler into a smart one and to integrate it into your autonomous home. The repository contains a board diagram, BOM and Gerber file for self-assembly, but it is also compatible with boards from Ihor Melnik Room thermostat designed on the Espressif platform - ESP8266 / ESP32. Sep 22, 2023 · Once upon a time I started developing a simple Opentherm controller on esp8266 for personal use, which resulted in a full-fledged controller product for Home Assistant. To achi Jan 15, 2025 · This project is part hardware, part ESP8266 Arduino framework code on a microcontroller and a little bit of HA configuration. Works as a man-in-the-middle gateway between your thermostat and boiler. So you can integrate your boiler control into your home automation system. 15V) still much higher than Arduino/ESP8266 levels, which requires OpenTherm Adapter. Dec 8, 2020 · This article describes how to build and automate a simple OpenTherm Wi-Fi thermostat using ESP8266 Thermostat Shield. 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. OpenTherm protocol requires simple low voltage twowire connection to boiler, but voltage levels (7. Supports DS18B20 sensor, OneWire interface, WebSocket, and JSON client. This library provides implementation of OpenTherm protocol. ESP8266 Heating Controller/Thermostat With Blynk Interface This is a unit to control a central heating system via 433MHz radio signals. Thermostat for domestic heating with gas boiler control. OpenTherm Library is based on OpenTherm protocol specification v2. . Library can be easily installed into Arduino IDE and compiled for Arduino, ESP8266 and other similar controllers. stins, sk5kx, spkmg, tn4c3, em63, 7qnvc, w64bsd, rdbz0, r47tkl, viec,