卡西欧5800计算器坐标反算程序，能从任意坐标反算出该点对应的里程 -Casio 5800 calculator coordinate anti-computer program, calculated from the arbitrary coordinates of the points against the corresponding mileage

LED 屏控制卡HUB08原理图，送给需要用的人。这个图主要能节约大家点时间。另有份图是HUB08 PCB也一起上传上来-LED control card HUB08 schematic diagram