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Vision For the Blind
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.
2018 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

How can we improve the living standards of the visually impaired using an Arduino?

Living with visual impairment could potentially be one of the hardest things one could do. Constantly having to worry about obstacles and carrying a stick to feel your way forward. In order to combat this difficulty, we have designed Vision for the Blind.

One of the usages of ultrasonic sensors are to measure the distance from objects using sound waves. These sensors, in combination with Piezo buzzers, have been used in Vision for the Blind to warn the user of incoming obstacles by emitting sound from the buzzers. The volume of the buzzers is controlled by using a digital potentiometer and varies depending on the measured distance. All three are connected to an Arduino which has been coded to perform the given task.

Abstract [sv]

Hur kan vi öka levnadsstandarden för visuellt nedsatta människor med hjälp av en Arduino?

Att leva med visuell nedsättning är självklart ett stort problem som medför svårigheter, att alltid vara orolig över hinder som kan finnas i vägen eller bära en pinne med sig för att hitta sin väg. För att bekämpa de här svårigheterna har vi konstruerat Vision for the Blind.

Ultraljudsbaserade sensorer använder ljudvågor för att mäta avstånd från ett objekt. Dessa sensorer har använts i Vision for the Blind i kombination med Piezo sumrar för att varna användaren om inkommande hinder genom att emittera ljud från sumrarna. Ljudvolymen kontrolleras med hjälp av en digital potentiometer och varierar med det uppmätta avståndet. Alla tre är kopplade till en Arduino som är kodad för att utföra det givna uppdraget.

Place, publisher, year, edition, pages
2018. , p. 66
Series
TRITA-ITM-EX 2018 ; 56
Keywords [en]
Mechatronics, ultrasound sensors, buzzers
Keywords [sv]
Mekatronik, ultraljuds sensorer, sumrar, avstå
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-232991OAI: oai:DiVA.org:kth-232991DiVA, id: diva2:1237238
Supervisors
Examiners
Available from: 2018-08-08 Created: 2018-08-08 Last updated: 2018-08-08Bibliographically approved

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