Digi-Key Courses

TinyRL: Teaching AI to Swing Up a Real Pendulum

Explore reinforcement learning to train an AI agent to swing up a real pendulum using Arduino, Python frameworks, and ESP32 deployment, with practical demonstrations and troubleshooting tips.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 3: Kconfig Tutorial

Master Zephyr's Kconfig system to configure embedded applications using menuconfig, manage configuration files, and create custom symbols for conditional compilation in your firmware projects.

• YouTube
• 54 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 4: Devicetree Tutorial

Master Devicetree in Zephyr: from fundamentals to implementation. Learn nodes, properties, syntax, and create practical overlays for hardware configuration in embedded systems with hands-on examples.

• YouTube
• 1 hour 2 minutes
• Self-Paced
• Free Video

Introduction to FreeCAD - Sketches, Constraints, and Part Design - Part 2

Master practical 3D design skills in FreeCAD by creating an SD card holder, learning sketching, constraints, and part design fundamentals while building a foundation for more complex projects.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

Introduction to FreeCAD: Getting Started - Part 1

Discover the fundamentals of FreeCAD, a powerful open-source CAD software. Compare features with popular alternatives, learn installation basics, and explore essential workbenches for 3D modeling and design.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Arduino Plug and Make Suitcase Synthesizer Tutorial

Discover how to build a suitcase synthesizer using Arduino Plug and Make Kit, from initial concept through prototyping to final presentation, with hands-on guidance from Tomorrow Lab experts.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 5: Devicetree Bindings

Explore how Devicetree bindings in Zephyr connect hardware descriptions to driver code, using ESP32-S3 ADC as an example to demonstrate how YAML schemas enable clean, platform-agnostic C code that adapts to different boards.

• YouTube
• 45 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 9: Interrupts, Timers, and Counters

Master interrupts, timers, and counters in Zephyr RTOS. Learn to implement efficient Interrupt Service Routines, configure GPIO interrupts, and use workqueues to build responsive embedded systems with microsecond precision timing.

• YouTube
• 56 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 6: How to Write a Device Driver

Master the process of writing custom device drivers for Zephyr RTOS by building a button driver, understanding driver structure, and learning how to implement Devicetree macros for hardware abstraction across embedded platforms.

• YouTube
• 59 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 10: Graphics with LVGL and Display Drivers

Master creating graphical user interfaces for embedded systems using LVGL with Zephyr RTOS. Learn to configure display drivers, design interactive elements, and build responsive applications on resource-constrained devices.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 8: Multithreading

Master multithreading in Zephyr RTOS to execute concurrent tasks efficiently. Learn to create threads, manage priorities, implement mutexes for synchronization, and use message queues for inter-thread communication through practical examples.

• YouTube
• 33 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 7: Debugging with OpenOCD and GDB

Master debugging Zephyr RTOS on ESP32 using OpenOCD and GDB. Learn to set up hardware connections, install necessary software, and use both command-line and VS Code interfaces to efficiently troubleshoot embedded applications.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

FreeCAD Tutorial: Revolutions, Pipes, and Lofts for Custom Keycap Design - Part 6

Master advanced 3D modeling in FreeCAD by learning to create complex shapes using Revolve, Pipe, and Loft tools. Design a custom mechanical keyboard keycap while exploring parametric design techniques.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Introduction to Zephyr Part 2: CMake Tutorial

Master CMake for cross-platform C/C++ projects, from basic setup to advanced Zephyr integration. Learn to create libraries, link executables, and organize code efficiently without relying on a single build system.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Portable Fume Extractor - DIY Build Guide

Learn how to build a portable fume extractor for soldering projects on the go, from power solutions to 3D modeling and assembly, enabling mobile workspaces beyond your bench.

• YouTube
• 15 minutes
• Self-Paced
• Free Video