Raspberry Pie LED Matrix In PI Matrix Compatible With PI Lite 126 LED With Single Chip Microcomputer<br /><br />Product introduction:<br />This product is in a foreign country PI - Lite mod on hardware products.<br />1. On the basis of the original， join LLC (logic level conversion circuit). Raspberries pie that the serial port is 3.3 V， single chip microcomputer 126 grain highlighted Atmega328 leds are 5 V power supply. Protect the IO mouth of the PI from 5 v serial impact!<br />2. Atmega328 microcontroller and stable operation in 16 MHZ. Than 3.3 V circuit run twice as fast， is conducive to improve the LED refresh rate.<br />3. All 126 leds， all adopt Taiwan imported light， automatic machine patch.<br />Results demonstrate:<br />1. An animated demo PACMAN pac-man<br />Weight: 20.1 g<br /><img src="http://img6.eachbuyer.com/x9/p100/eb9593_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb9593_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb9593_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb9593_4.jpg" />