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For most people. signt and vision are the most significant and important ways of receiving and understanding information. Dealing with sight loss or low vision is a challenge in iteself and due to urbanisation of cities and the complications that come with it, the effort it takes for a differently abled in such environments is enormous.
Dispite the extensive innovation and development of technology, it has not reached everyone in the same way. From time to time, we see and hear about projects that make the world more accessible for people who are blind or visually impaired. Here at devthon, one of our teams plans to do the same.
Due to urbanisation, we go from one environement to another all day long. From office to homes; banks to supermarket; parks to gyms; hospitals to medical stores, If one observes, most of these are not designed to be accessed by the visually impaired.
Due to the structural difficulties that a blind person has to face, navigation and accessibility in physical situations is one of the main challenges faced. So, the team has come up with a smart aid. This is a Navigation system for visually disabled using voice based instructions and open maps. The team uses RFID technology and their own platform to help disabled people navigate public spaces by triangulating their location and guiding them.
RFID is an acronym for “radio-frequency identification” and refers to a technology whereby digital data encoded in RFID tags or smart labels (defined below) are captured by a reader via radio waves. RFID is similar to barcoding in that data from a tag or label are captured by a device that stores the data in a database. RFID, however, has several advantages over systems that use barcode asset tracking software. The most notable is that RFID tag data can be read outside the line-of-sight, whereas barcodes must be aligned with an optical scanner.
RFID belongs to a group of technologies referred to as Automatic Identification and Data Capture (AIDC). AIDC methods automatically identify objects, collect data about them, and enter those data directly into computer systems with little or no human intervention. RFID methods utilize radio waves to accomplish this. At a simple level, RFID systems consist of three components: an RFID tag or smart label, an RFID reader, and an antenna. RFID tags contain an integrated circuit and an antenna, which are used to transmit data to the RFID reader (also called an interrogator). The reader then converts the radio waves to a more usable form of data. Information collected from the tags is then transferred through a communications interface to a host computer system, where the data can be stored in a database and analyzed at a later time.