Use of materials:
1. LED 8x8 matrix
2. Bluetooth
3. Motoduino or Arduino
4. MAX7219 (datasheet:http://www.kynix.com/uploadfiles/pdf228 ... 9CNG2b.pdf)
5. 27k resistor
6. 10uF capacitor
7. 0.1uF capacitor
8. Some wires

Refer to the reference schematic here: Arduino playground
download android apk: http://www.motoduino.com/tw/downloadfiles

Video See: [youtube=] http://www.youtube.com/user/sinocgtchen [/youtube]
Have any questions or are interested in friends, welcome letter to discuss, thank you !!