Dot Matrix Display info Board Arduino
* Size:99.06 (L) X 96.52 (W) X 19.00(H)±0.2mm
* Viewing area: 4 inch×2.5 inch
* 16-grade PWM brightness control with green LED
* Serial MCU interface: CS, RD*(optional), WR, DATA
* Composed of 6 pcs 0808 dot-matrix info boards
* Can connect up to 4 info boards for extended application
* 2 individual pin headers are provided
* Operating voltage and current: 5V, 350mA (Max.),
* LED working current: 30mA on each LED