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From first flash to professional field installs. Free where it matters.
Beginner 5 lessons
ESP32: Zero to First Flash
Never touched a microcontroller? By the end of this course you will have flashed real firmware onto an ESP32 and connected it to WiFi.
Intermediate 4 lessons
WiFi Sensing Fundamentals
How a WiFi chip detects people through walls: CSI, subcarriers, baselines, and the honest limits of radio sensing.
Professional 4 lessons
Field Engineer Playbook
Professional installs that survive without you: site survey, flash hygiene, self-healing fleets, and clean client handoffs.