Thermal Printer Escape Room Puzzle Prop Using MQTT, Node-RED, and ESP32

Learn how to create an engaging escape room puzzle prop using a thermal printer, MQTT, Node-RED, and ESP32. Explore the step-by-step process of building a device that prints clues, codes, or custom messages for players. Discover how to connect the thermal printer to microprocessors like Arduino, ESP8266, Raspberry Pi, or ESP32. Gain insights into two methods for sending messages: subscribing to MQTT brokers and using direct serial connections. Follow along as the tutorial covers hardware selection, wiring, coding for Arduino/ESP8266/ESP32, and setting up a Node-RED dashboard interface. By the end, you'll have the knowledge to incorporate this interactive and customizable prop into your own escape room experiences.