Abstract
<jats:p>This paper presents the design and implementation of the Mind Reader Robot, an interactive Arduino-based game developed to make binary number concepts fun and engaging. The system uses four sliding switches as binary input bits, mapping combinations of 0s and 1s (values 1–15) to a predefined list of 15 food items displayed on an SSD1306 OLED screen via I2C, with a buzzer for audio confirmation. The project demonstrates core embedded systems concepts—binary arithmetic, digital I/O, I2C protocol, and debounce handling—within a hands-on game format. The system was tested across all 15 valid switch combinations with nearly perfect accuracy and sub-200 ms response latency, and has been demonstrated to undergraduate engineering and polytechnic students with very positive response. The project was also exhibited at a technical exhibition with a human values variant, where it was awarded second prize.</jats:p>