Courses → From Blink to Bot — ESP32-S3 robotics with the Fre…
Lesson 9 · ~32 min · 🔒 Subscriber
WiFi & MQTT — telemetry without a wire
Stream sensor data off the robot in real time; receive commands from a browser dashboard. All built into the S3.
This lesson is in production. The arc below outlines what it will cover. Arc Connecting to WiFi at boot; the PubSubClient library for MQTT; setting up a free broker; topic design for robot telemetry; building a one-page browser dashboard that displays distance + position in real time; sending velocity commands back. Subscribed already? Your dashboard will show the lesson the moment it's published — no email required. Aiming for one new lesson per week; the full course will be complete within 8 weeks of launch.
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