
King Marbles AI Crystal Ball – MVP Specification
Product Concept:
A 100 mm decorative crystal/glass sphere mounted on a smart electronic base. When the user rubs or touches the sphere, the base lights up and delivers a short, uplifting “fortune” or “forecast” message (via speaker or companion app). The product blends traditional crystal ball aesthetics with modern AI technology.
Core Components
- Sphere:
- Material: K9 crystal or high-quality optical glass
- Diameter: 100 mm (approx. 4”)
- Finish: Clear or frosted
- Detachable from base for safe shipping
- Base (Electronics Enclosure):
- Material: ABS/PC plastic, optional zinc alloy or aluminium finish
- Size: ~120 mm diameter × 40 mm height
- Felt/anti-slip bottom
- Electronics:
- MCU: ESP32-S3 or similar (Wi-Fi + Bluetooth)
- Sensors: Capacitive touch ring / IMU to detect rubbing or tapping
- Lighting: RGBW LED ring (24–36 pcs) for colour glow into sphere
- Audio: 28–36 mm micro-speaker with mini class-D amplifier
- Power: USB-C input (5V/2A); optional Qi wireless charging coil
- Battery (optional): 1200–2000 mAh Li-ion for portable use
- Connectivity:
- Bluetooth for pairing with smartphone app
- Wi-Fi for cloud AI integration (optional version)
User Experience
- User rubs/taps sphere → touch detected.
- LEDs light up with colour effect (mood-based glow).
- AI-generated “fortune” is spoken aloud (via app or speaker).
- Optional re-tap for a new reading.