Look no further. Great product quality， that's solidly built. Best of all， its very affordable price. Buy today. <br /><br />Features: <br />6Bit color supported<br />Support hardware 16MHz PWM<br />Without any additional circuitry<br />Dedicated GPIO and ADC interface<br />Support hardware URAT and IIC communication<br />24 Channel constant current channel current up to each channel 1100mA<br />8 channel constant current source drive current up to each channel 500mA<br />Power supply: +5 V to +5.3 V<br />Operating current: Max 300mA<br />Operating temperature range: -10~+50 degree Celsius <br /><br /><br />Hardware Features:<br />Support for multiple cascading， no hardware settings needed <br />It supports RGB single color display and mixed color display <br />Dot sequence using rectangular coordinate system， easy to understand<br />Support arduino board power supply or external independent power supply<br />When using multiple cascade， if the color is too dark， the supply voltage can be increased to about 5.2V， do not exceed 5.4V <br />When using multiple cascade， data lines will be connected to the 1st sub-board. (the sub-board with the origin (0，0) is the 1st sub-board)<br /><br />1 x Full Color 8*8 LED RGB Matrix Screen Driver Board<br /><img src="http://img6.eachbuyer.com/x9/p100/eb3819_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3819_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3819_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3819_4.jpg" />