Programmable LED Message Board Kit – Complete (With Arduino Uno)
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Prices updated: 13 Oct 2026
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About this product
A complete LED message board kit with an Arduino Uno R3 compatible board and USB cable. A MAX7219 module drives an 8×8 dot matrix that shows scrolling messages, with two push buttons to change the message and scroll speed. Messages are stored in EEPROM, and a fourth message can be typed in the Serial Monitor.
Specifications
- Age range
- 10–12 years
- Level
- Beginner to intermediate
- Project type
- Displays and programming
- Main controller
- Arduino Uno R3 compatible, ATmega328P (board included)
- Display
- MAX7219 8×8 dot matrix LED module
- Input
- 2 × mini push buttons (4-pin, 6x6x7.5mm)
- Storage
- EEPROM
- Estimated build time
- 1 hour
Frequently asked questions
Do I need a computer to use this kit?
Yes. A computer is needed to upload the code and to type custom messages in the Serial Monitor, using the included USB A to B cable.
Will my message stay after I unplug the board?
Yes. The fourth message typed in the Serial Monitor is saved in EEPROM, so it remains after power is removed, as stated in the listing.
