Interactive Math Game Kit – Expansion (No Arduino Board)
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Prices updated: 13 Oct 2026
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About this product
An educational math game that shows addition, subtraction and multiplication questions on a 0.91-inch OLED display. Players type answers on a 4×4 matrix keypad, choose one of three difficulty levels with buttons A and B, and earn points over 10 questions. A buzzer signals correct or wrong answers. This expansion version does not include the Arduino board or USB cable.
Specifications
- Age range
- 12–14 years
- Level
- Intermediate
- Project type
- Education and programming
- Main controller
- Arduino Uno (not included)
- Display
- 0.91 inch OLED 128×32 I2C
- Input
- 4×4 Matrix Keypad
- Sound
- 5V Active Buzzer
- Estimated build time
- 1.5 hours
Frequently asked questions
How is the OLED display wired to the Arduino Uno?
The 0.91 inch OLED is an I2C module with 128×32 resolution, so it connects over two data lines (SDA and SCL). On an Arduino Uno these are A4 and A5, plus power and ground.
What are buttons A and B used for?
According to the listing, buttons A and B are used to select one of three difficulty levels for the math questions.
