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Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

development board

A ready-made board with a microcontroller, USB, power parts and header pins, for learning and prototyping.

A development board carries a microcontroller or module plus a USB connection, voltage regulation, reset and boot buttons and labelled headers, so you can program it and wire to it with no soldering. The Arduino Uno R4 Minima and the ESP32-S3-DevKitC-1 are this course's two.

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