Speaking Calculator using AVR ATmega88 microcontroller

Speaking Calculator using AVR ATmega88 microcontroller

This Speaking Calculator project is an interesting device built just by three chips that can be very useful to blind people. The system has four basic operations (addition, subtraction, multiplication and division), and the functions: clear all, change of sign (+/-), inverse (1/x), square root (v), pi number (p), add with memory (M+) and read […]

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