Casio Calculator External Memory (Casio FX92+)

An external, detachable memory module allowing you to save those long programs that become a heavy task to rewrite.

Jan 11, 2022

5181 views

3 respects

Components and supplies

1

Arduino Nano R3

2

Resistor 10k ohm

5

Tactile Switch, Top Actuated

4

CD4066 Quad Bilateral Switch

Tools and machines

1

Soldering iron (generic)

1

Solder Wire, Lead Free

Project description

Code

MATRIXIO

arduino

MATRXIO is a program to load the algorithms into the arduino's EEPROM. The Instructions and key coordinates can be sent manually via the arduino IDE serial monitor, or automatically via a loader written in Python.

Python Algorithm Uploader

python

Python Algorithm Uploader

python

Downloadable files

CD4066

CD4066

Schematic

(The scheme looks impressive from afar, in reality it is very repetitive)

Schematic

Schematic

(The scheme looks impressive from afar, in reality it is very repetitive)

Schematic

CD4066

CD4066

Comments

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kronix_tex

3 years ago

Wow. I hav an FX-92+ for my school, and I use the algorithm mode A LOT. This could be really useful for me. Nice creation!