Master the Message Queuing Telemetry Transport (MQTT) protocol with the ESP32. This series covers setting up brokers (Mosquitto), publishing sensor data, subscribing to remote commands, and securing connections with SSL/TLS.
Learn MQTT
Are you ready to take your IoT projects to the next level? Moving from a public broker to a private VPS gives you speed, security, and total control. In this guide, we walk through installing Mosquitto, configuring ports, and testing your connection with MQTTX.
Learn MQTT
So, you’ve just deployed a new VPS on Linode, DigitalOcean, or AWS. The IP address is in your inbox, and you are ready to install your MQTT broker or Node.js app. Stop! 🛑 Before you install anything, you need to secure the foundation. A fresh server usually comes with
Learn MQTT
Are you still using HTTP requests to control your IoT devices? If your ESP32 is constantly asking the server "Is there any data for me?" (polling), you might be draining your battery and wasting bandwidth. In this tutorial, we are going to upgrade your skills by switching to