Used to control 8 x 8 RGB LED; No need extra circuit; 24 fix circuit channel each is 120mA; 8 drive channel each is 500mA; Voltage output: DC 6.5~12V; Specific GPIO and ADC; Support UART and I2C communication Application: Simple real-time animations calculated by the Rainbowduino; Play pre-stored animation up to 32KB Specification: - processor: Atmega 328 - Chip: 60 x 60 x 1.6mm - Indicators: Reset power pin 13 LED - Working voltage: DC 6.5~12V (recommend 9V) - Power interface: 2pin JST terminal blocks 3mm DC jacks - Power connection: terminal blocks - Code download interface: UART / ISP - LED matrix interface: 32 - Expansion interface: 2.54mm pin header - Communication protocol: I2C / UART - Input voltage: 6.5~12V - Whole current: 600~2000mA - Constant current channel (cathode): 24 - Each cathode constant current: 20~120mA - Each source drive current (common anode): 500mA - Each source drive voltage (common anode): 9~12V - Source drive channel: 8 - Drive LEDs: 192 - Circuit response time: 10ns - Each LED colors: 4096 - Uart frequency: 115200baud