Calculator

A modern take on a classic calculator with mechanical switches and 7-segment display

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Description

This is a modern take on a classic calculator, featuring mechanical switches and a 7-segment display. I designed and fabricated a custom printed circuit board that integrates an embedded micro-controller along with various passive components. The firmware was coded in C++.

Technical Specifications

Microcontroller

Arduino Pro-Mini

Input

17 mechanical switches

Display

7-segment display

Features

  • 17 mechanical switches
  • 7-segment display
  • Custom PCB design
  • C++ firmware
  • Embedded microcontroller

3D Model