一个汽车仪表盘的例子，项目验收所用，基于miniGUI 3.0.12，make后可直接运行；制作时由于刷新率的问题，将仪表盘指针分为PNG图像版和直线绘制版，仅供参考。(An example of a car dashboard is based on miniGUI 3.0.12, which is divided into dashboard pointer, including PNG image version and straight line version, for referen