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You can use this 128 (in 16x8 order) LED matrix PCB with Arduino or other microcontrollers. By the I2C connection you will be able to add a LED matrix to your projects using less number of I/O pins. Additionally it is possible to set the brighness of the LEDs in 16 levels by the driver IC on the board.
It is possible to change the I2C device ardesses from 0x70 to 0x77 with the soldering jumpers on the board. This allows you to set 8 different device adress that means you can use 8 of therse matrixes at the sametime.
- I2C LED driver board
- 2x 8x8 mini LED matrix (red)
- 4-pin header
- PCB dimensions: 72 mm x 32 mm x 2 mm
- LED matrix dimensions: 32mm x 32 mm x 7 mm
- Pin height: 13 mm