🔥 node-modbus-easyfire

A lightweight Node.js-based Prometheus exporter for reading Modbus TCP registers from a KWB Easyfire boiler.

🚀 Features

• Reads key metrics from your Easyfire boiler over Modbus TCP
• Exposes a /metrics endpoint compatible with Prometheus
• Exposes a /data endpoint returning raw JSON output
• Docker-ready, with configurable polling interval
• Clean modular code using ES modules

📦 Requirements

• Node.js ≥ 18 (ESM support)
• A running Prometheus server (optional: Grafana for dashboards)
• Access to a KWB Easyfire boiler via Modbus TCP

🛠️ Setup

git clone https://github.com/helitik/node-modbus-easyfire.git
cd node-modbus-easyfire
cp .env.example .env
npm install
npm run start