5x7 LED Dot Matrix Display 1.9mm LED 13x18mm Module
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Prices updated: 12 Oct 2026
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About this product
A 5x7 LED dot matrix display module with 1.9 mm LEDs in a 13 x 18 mm module. It is used for showing characters, simple icons and scrolling text in compact projects. Driving the matrix requires controlling rows and columns, usually by multiplexing from a microcontroller or using a dedicated driver IC.
Specifications
- Matrix size
- 5 x 7 / 5×7
- LED size
- 1.9 mm / 1.9 مم
- Module size
- 13 x 18 mm / 13×18 مم
- Voltage (as listed)
- 1.9 V / 1.9 فولت
- Current
- 20 mA / 20 مللي أمبير
Frequently asked questions
How do I control this matrix with an Arduino?
Use row and column multiplexing with current-limiting resistors, or a matrix driver IC. Check the pinout in the datasheet before wiring, because row and column assignments differ between modules.
Can I connect the matrix directly to a 5V supply?
No. Always limit the current of each LED. The listing gives 20 mA, so use resistors or a driver so that no LED exceeds that current.
