Penguin Tutor Courses

Electronics Basics - Understanding Diodes as the One-Way Valve of Electricity

Discover how diodes control current flow as electrical "one-way valves," exploring P-N junctions, various diode types, and practical AC-to-DC conversion applications.

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

Bridge Rectifier Explained - Full Wave vs Half Wave Rectification

Discover how bridge rectifiers convert AC to DC power using 4 diodes in a diamond pattern, plus smoothing capacitors to eliminate voltage ripples for efficient electronics.

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

Design a 3D Christmas Tree using FreeCAD for Laser Cutting or Cardboard

Master FreeCAD's 2D design tools by creating a simple 3D Christmas tree model perfect for laser cutting or cardboard crafts, featuring mirroring, sketching, and slot techniques.

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

Learning the CBUS Protocol - Raspberry Pi Model Railway Control with Python PySide

Discover how to decode the CBUS protocol for Raspberry Pi model railway control, enabling Python applications to manage DCC locomotives and track accessories.

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

Using AI to Help with Programming - Google Gemini - Vibe Coding

Explore how AI tools like Google Gemini enhance programming workflows through research, inspiration, and collaborative coding with practical Raspberry Pi examples.

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

Python GUI Programming with PySide 6 - Creating Interactive Graphics Using QGraphicsView and QGraphicsScene

Master PySide6's QGraphicsView and QGraphicsScene to create interactive GUI applications with movable shapes, grouping capabilities, and zoom functionality in Python.

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

MERG Model Railway DCC Controller Kit Assembly and Testing Guide

Explore the assembly and functionality of MERG DCC controller kits, including command station, handset controller, and RJ22 connector for model railway enthusiasts.

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

Creating a Laser Cut Raspberry Pi Pico Case Using FreeCAD, Inkscape and LightBurn

Master the design and creation of a laser-cut wooden enclosure for Raspberry Pi Pico using FreeCAD, Inkscape, and Lightburn. Perfect for model railway enthusiasts looking to build custom points controllers.

• YouTube
• 1 hour 12 minutes
• Self-Paced
• Free Video

Building a Raspberry Pi Pico MP3 Player with MicroPython

Learn to build a custom MP3 player using Raspberry Pi Pico and DFPlayer Mini, with MicroPython implementation for audio playback and control in various applications.

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

Guide to Python GUI Frameworks and Toolkits - From Basic to Professional

Explore different Python GUI frameworks and libraries, from beginner-friendly GUIZero to professional PyQt/PySide, with practical examples and personal insights for creating cross-platform applications.

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

USB Traffic Monitoring with Wireshark - From LightBurn to Laser Cutter GCode Analysis

Learn how to capture and analyze USB traffic using Wireshark, from installation and setup to monitoring data streams and extracting ASCII information for debugging USB devices and communications.

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

Raspberry Pi Pico Model Railway Point Controller - Design and Implementation

Discover how to build a Raspberry Pi Pico-powered controller for model railway points, featuring web server integration, custom PCB design, and GUI interface for automated track switching.

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

Troubleshooting NVMe SSD Installation on Raspberry Pi 5 - Comparing NVMe Base and M.2 HAT+

Discover essential tips and troubleshooting insights for connecting NVMe SSDs to Raspberry Pi 5, comparing Pimoroni NVMe Base and Raspberry Pi M.2 HAT+ with practical compatibility guidance.

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

Designing a Model Railway Point Controller Using Capacitor Discharge Unit

Discover how to design and build a capacitor discharge unit (CDU) for controlling model railway points using solenoids and MOSFET-based circuits, with practical applications and improvements.

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

Raspberry Pi Pico W LED Light Controller for Home Automation and Camping

Learn how to build a custom LED light control system using Raspberry Pi PicoW, from PCB design in KiCAD to creating a web interface for home automation and camping applications.

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