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Empowering Visually Impaired: The Blind Lock Project for J.C.G.

Meet our client, Joanne, who has been legally blind for two years and struggles with everyday tasks like reading, cooking, and grocery shopping. To enhance her independence, we've developed the Blind Lock, an innovative solution to notify her when her apartment door is unlocked. Utilizing NE555N timers and a UA741P amplifier, the device beeps in a specific pattern to indicate door status. Despite challenges in design and installation, future improvements aim for wireless alerts, automatic locking, and LED indicators. This project embodies our commitment to empowering individuals with disabilities.

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Empowering Visually Impaired: The Blind Lock Project for J.C.G.

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Presentation Transcript

  1. The Blind Lock J C G Jennifer Mann - Chelmsford George Murphy - Dracut Christopher Ghadban - Dracut

  2. Meet Our Client J C G • Our client Joanne has been legally blind for two years. • Her eyesight deteriorates each day. • She lives in an apartment in Dracut, MA. • She cannot complete everyday tasks that she enjoys such as… Reading Music Cooking Grocery shopping Being conscious of her environment

  3. Our Project for Jo… J C G Our client needs to know when the door to her apartment is unlocked. How the Blind Lock circuit works: • Two NE555Ntimers are used in an astable circuit to generate a timing pulse. • One UA741P is used to amplify the beep. • A reed switch placed on the deadbolt and in the recess of the deadbolt is used to complete the circuit. How the product helps Jo: • When the door is NOT locked, by means of the deadbolt, the circuit will beep for two seconds, shut off for one second, and repeat. • When the door is locked and the deadbolt is in place, the circuit will open and the beeps will stop.

  4. Setbacks/Improvements J C G Setbacks Along The Way • Changed the main design of our project: • Switched from a push button sensor to a reed switch. • Got rid of the magnetic sensors on the door/doorframe. • Difficulties in building mock-up door/installing deadbolt. Improvements for Next Time! • Wireless indicators to inform her of the status of the door • Use of alarm clock to reminder her before bed to lock door • Automatic door locking device • Different colored Leds to help her further distinguish the status of the door

  5. Thank you for your time! J C G Q&A

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