Smart Glasses Concept
Assistive technology prototype for the visually impaired, utilizing ATtiny85 and Ultrasonic Sensing.
1. Interactive 3D Prototype
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Form Factor: Sports Glasses. HC-SR04 positioned at the front bridge, with ATtiny85, Buzzer, and Battery routed inside the right and left temples.
Hardware & Pinout
Specifications
- Microcontroller: ATtiny85 (DIP-8)
- Sensor: HC-SR04 Ultrasonic
- Output: Active Piezo Buzzer
- Power: 5V (USB/Battery Pack)
Pinout Mapping
- Pin 8 : VCC (Battery + & Sensor VCC)
- Pin 4 : GND (Battery -, Sensor & Buzzer GND)
- PB1 : Buzzer (+) OUTPUT
- PB4 : Echo Sensor INPUT
- PB3 : Trig Sensor OUTPUT
Wiring Diagram
2. Microcontroller Source Code
main-code.ino
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