An Arduino bracelet that detects obstacles with ultrasound and warns by buzzer.
Blind Person's Assistant by Open-Source-Imports
https://thediyjunky.com/@open-source-imports/blind-persons-assistant
Licence: CC-BY-SA-3.0
Adapted from: https://www.appropedia.org/Blind_Person's_Assistant
Original author: User:Aliaksei Petsiuk
Original licence: CC-BY-SA-3.0
A wearable assistant for blind and partially sighted people: an ultrasonic sensor on a printed bracelet, driven by an Arduino Nano, warning of obstacles through a buzzer.
| Part | Size / spec | Qty | Unit cost |
|---|---|---|---|
| Bracelet | 3D printed | 1 part | $0.34 |
| Case | 3D printed | 1 part | $0.26 |
| Cover | 3D printed | 1 part | $0.20 |
| Arduino Nano | 1 board | $3.80 | |
| Ultrasonic Sensor HC-SR04 | 1 sensor | $1.83 | |
| M3x20 screws | 4 screws | — | |
| M3x6 screws | 4 screws | — | |
| Wires | 10 wires | — |
Required total: ≥ $6.43
3 part(s) have no price recorded, so the total is a floor.