Salwa El Kaddaoui
Published © GPL3+

Bluetooth Controlled LED Matrix

A hand-crafted 8x8 LED matrix driven on Arduino using the MCP23017 GPIO expander and controlled via Bluetooth from an Android device.

IntermediateFull instructions provided7,706
Bluetooth Controlled LED Matrix

Things used in this project

Hardware components

straw hat LED
×64
MCP23017
×1
Through Hole Resistor, 200 ohm
Through Hole Resistor, 200 ohm
×8
HC-05 Bluetooth Module
HC-05 Bluetooth Module
×1
Resistor 1k ohm
Resistor 1k ohm
×2
Through Hole Resistor, 2.2 kohm
Through Hole Resistor, 2.2 kohm
×1
Arduino Nano R3
Arduino Nano R3
×1

Software apps and online services

Arduino IDE
Arduino IDE
Bluetooth Terminal HC-05

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)

Story

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Code

Link to the Latest release in Github

Credits

Salwa El Kaddaoui

Salwa El Kaddaoui

2 projects • 5 followers
I am an AI enthusiast and an electronics hobbyist. For a living, I help computers see and think.

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