Master Federated MQTT Mesh Networking with Your Three-Node Raspberry Pi 4 Cluster

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

You’ll connect three Raspberry Pi 4 single‑board computers as federated MQTT brokers, each reading local DHT22 and BMP280 sensors, then seamlessly bridge temperature, humidity, and pressure data across nodes using topic routing rules. This mirrors real-world industrial IoT architectures where federated messaging eliminates single points of failure and allows independent network segments to share critical sensor streams.

What You'll Build

You’ll deploy a fully functional three‑node sensor mesh that publishes environment data from every Pi to a unified MQTT topic namespace. A browser-based dashboard displays live temperature, humidity, and pressure from any node, and you can trigger cross‑node actions—like logging an alert or activating a relay if any sensor exceeds a threshold. The finished system is a production‑grade framework for fault‑tolerant IoT data distribution.

What You'll Learn

• Configure multiple Raspberry Pi 4 boards as standalone MQTT brokers using Mosquitto
• Implement bridge configuration and topic routing to federate sensor data across three nodes
• Interface DHT22 and BMP280 sensors with Python and publish readings over MQTT
• Design a fault-tolerant distributed IoT system with no central server

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for B.Tech ECE/EEE students tackling final‑year IoT projects, Smart India Hackathon participants prototyping distributed sensor networks, and researchers at IIT, NIT, VIT, or BITS needing a reliable federated messaging testbed. ATL Tinkering Lab mentors guiding advanced students will also appreciate the ready‑to‑deploy architecture that accelerates concept‑to‑demonstration time.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.