https://github.com/alexlynd/calcprobe

Library for hacking cheap calculators.
https://github.com/alexlynd/calcprobe

calculator hack iot python raspberry-pi

Last synced: about 1 month ago
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Library for hacking cheap calculators.

• Host: GitHub
• URL: https://github.com/alexlynd/calcprobe
• Owner: AlexLynd
• License: mit
• Created: 2018-01-12T23:18:10.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2019-11-18T20:27:37.000Z (over 6 years ago)
• Last Synced: 2024-12-30T06:45:07.276Z (over 1 year ago)
• Topics: calculator, hack, iot, python, raspberry-pi
• Language: C++
• Homepage:
• Size: 51.8 KB
• Stars: 4
• Watchers: 1
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# CalcProbe

CalcProbe is a project that lets you hack standard 6 function calculators by exploiting input through the keypad matrix.  By placing a microcontroller inline with the PCB matrix of a calculator, we can intercept keystrokes, and spoof our own, to give real time output to the calculator LCD.  The possibilities are endless, and using the 20 buttons on a standard calculator, we can control a device like a Raspberry Pi Zero, to even connect to the internet.

## ChangeLog

* Startup script

* UART serial integration

* Code that actually works

* External SPI Micro-SD card interface for logs and stuff

* Battery management system with inductive charging (maybe)

## How it Works

it doesnt