Construction of Indian Currency Identifier for Visually Impaired

Visually impaired people often face difficulty to identify a nominal of money. Indian currency notes are available in different sizes and colours with tactile qualities that enable the visually notes, but these makers worn out usage. Various smartphone-based apps for note identification using smartphone by person gets difficult. So, it is necessary design device supports identification. overcome this problem we have designed an identifier will help blind banknotes easily less time colour sensor sound module give output audio form. The makes use Arduino Uno differentiate between denominations. RGB from matched pre-stored value. If values fall inside any denomination value mp3 activated voice played store according result obtained module. A prototype was made see feasibility which has Sensitivity 85.71% Specificity 66.66% notes. cost construction would be around 700-800 1NR.