Branch-team development 8X8 matrix drive module module using high-speed serial-parallel conversion chip 74HC595.
SPI interface, it needs only three signal lines can drive 8x8 dot matrix screen
Arduino controller I / O resources.
Specifications:

1. Product Name: 8 * 8 dot matrix module (without dots)
2. Operating voltage: DC5V
3. Product type: display output
4. Production process: FR4 double-sided HASL
5. User-friendly design: to be cascaded display
6. Working temperature: 10 ℃ -30 ℃
7. Humidity: 10% -90% non-condensing
8. Weight: 20g
9. shipping list: 8 * 8 dot matrix module x 1
10. Packing: static bag sealed
11. Size: 71 * 61 * 11mm

8X8 matrix drive module (without dots) * 1
Static bag