Playful Technology Courses

Make "Offline" Calls Between Landline Telephones - No Phone Network

Discover how to create a standalone telephone system using landline phones and an analog telephone adaptor, perfect for theatre props, escape rooms, or creative projects—no network needed!

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

LED Glyph Puzzle Using ESP32 for Electronic Escape Room Games

Discover how to build an electronic escape room puzzle using ESP32's advanced features including dual-core processing, LED animations, touch input, and I2S audio to create an interactive glyph-tracing game.

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

Create an EPIC Treasure Hunt Using BLE Beacons

Learn how to create an outdoor treasure hunt using ESP32 and BLE beacons, with an ePaper display for clues containing text and images that can work indoors, outdoors, or underground.

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

ESP32 Pneumatic Automatic Drawer Mechanism

Master ESP32-controlled pneumatic systems to create spooky self-opening drawers for Halloween props, escape rooms, and theatrical effects with Bluetooth mobile control.

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

Magic Glass - PDLC Film Smart Glass Tutorial with ESP32 Control

Discover how to create switchable transparent windows using PDLC film, ESP32 microcontroller, and relays for magic tricks, escape rooms, and interactive displays.

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

Automate Any Wireless Device - RF Signal Cloning with Arduino and ESP32

Master RF signal cloning with Arduino/ESP32 to automate wireless devices by capturing, filtering, and retransmitting 315/433MHz remote control commands for smart home projects.

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

Creating Interactive Animated Paintings with Digital Displays - A Harry Potter-Inspired Tutorial

Master the creation of interactive Harry Potter-style animated paintings using monitors, Raspberry Pi, and Arduino, complete with gesture recognition and escape room puzzle capabilities.

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

How to Create Your Own Biohazard Escape Room Puzzle

Discover how to transform mundane tasks into engaging escape room puzzles using constraints, abstraction, and creative design principles with a hands-on biohazard cabinet example.

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

Creating Immersive Video Displays for Escape Rooms and Theatre Using Unity3D

Master the creation of dynamic video displays for escape rooms and immersive theater using Unity3D, from basic setup to multi-display configurations and real-time rendering techniques.

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

How to Make an ESP32 Escape Room Pirate Wheel Puzzle

Build a pirate-themed escape room puzzle that detects clockwise and counter-clockwise wheel turns with an ESP32 and opens a treasure chest when the sequence is correct.

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

GPIO Inputs and Outputs - An Intermediate Guide for Arduino and ESP Projects

Comprehensive guide to GPIO for Arduino and ESP projects, covering digital/analog I/O, logic levels, resistors, PWM, ADC, high current applications, and port expanders with practical examples.

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

Escape Room Tech Puzzle Tutorial - Valves and Gauges

Build an electronic escape-room puzzle where valves move gauges and trigger a lock when needles align.

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

Floppy Disk Console Escape Room Puzzle Tutorial with ESP32 and RFID

Build a floppy-disk escape room console that uses RFID-tagged disks, an ESP32, and code to validate files and trigger effects.

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

DIY Electronic Directional Lock for Escape Rooms - Arduino Tutorial

Build a customizable Arduino-based electronic directional lock with themed input, feedback, and automatic or manual unlocking.

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

How to Make a Secret Bookcase Door - DIY Escape Room Tutorial

Build a secret bookcase door whose hidden-book puzzle triggers an Arduino-controlled electronic release.

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