Abstract
This invention concerns the development of smart sensor-enabled eco-friendly toys fabricated from banana residue bio-composite materials. The toy enclosure is produced using banana fiber and sheath powder reinforced with bio-resins through compression molding, providing mechanical strength and electrical insulation. An embedded control system built on an ESP32-WROOM-32 low-power microcontroller manages real-time sensing, control and wireless communication. The system integrates capacitive touch (TTP223), PIR motion (HC-SR501), ambient light (LDR), temperature (DS18B20) and sound (KY-038) sensors. Interactive outputs include addressable RGB LEDs (WS2812B), piezo buzzers, vibration motors and audio playback through PAM8403 amplifier driven speakers. Power is supplied via a 3.7 V lithium-ion battery supported by TP4056 charging/protection circuitry and MT3608 DC–DC boost regulation. Firmware is developed in embedded C featuring interrupt routines, sensor fusion and deep-sleep power management. Bluetooth and Wi-Fi interfaces enable user configuration and monitoring. A modular PCB design supports scalable toy variants and ensures safe low voltage operation. This invention demonstrates a sustainable and intelligent embedded electronics platform for educational toy applications.
Keywords
Banana fiber composite, Raspberry Pi Zero 2 W, Smart educational toy, Embedded system, Sustainable electronics, Sensor integration, Camera- based interaction.
Citations
IRE Journals:
Dr. T. Rajamanikandan, K. Gokulnath, T. Kishore, I. Mohammed Imthiyas "AI-Enabled Smart Electronic Integrated Eco-Friendly Toys" Iconic Research And Engineering Journals Volume 9 Issue 8 2026 Page 1353-1359 https://doi.org/10.64388/IREV9I8-1714481
IEEE:
Dr. T. Rajamanikandan, K. Gokulnath, T. Kishore, I. Mohammed Imthiyas
"AI-Enabled Smart Electronic Integrated Eco-Friendly Toys" Iconic Research And Engineering Journals, 9(8) https://doi.org/10.64388/IREV9I8-1714481
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