Speaking Calculator project for blind people using Arduino Uno AVR ATmega328 Microcontroller

Опубликовано: 18 Июнь 2026
на канале: Djamal.Uk
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This #Speaking #Calculator project is an interesting device built just by single chip that can be very useful to #blind_people. The system has four basic operations (addition, subtraction, multiplication and division), and the functions: clear all and VOICE to change between the Voices and No-voice modes. It works with a battery of 3 volts.

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== Things used in this project ==
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Hardware components:
1x Arduino Uno OR ATmega328
1x Matrix keyboard arduino
1x Crystal 16MHz with insulator
1x Using a 4 Digit & 7 Segment Display
1x FTDI for Programming and Powering 3.3V
1x Breadboard

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== Schematic ==
================
will added later After the project is finished
OR Any Questions Please let me know in the comment section below


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== Code ==
============
will added later After the project is finished
OR Any Questions Please let me know in the comment section below

Enjoy,

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Code and Schematic OR Any Questions Please let me know in the comment section below



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