一个利用PLC编写的工业控制源程序，包括梯形图和组态，很完整，是三层电梯的程序，可以扩展成多层电梯-Prepared using an industrial control PLC source code, including the ladder and configuration, it is complete, is a three-lift procedure can be extended into a multi-elevator

采用Qt实现的电梯多媒体播放系统，综合采用了Phonon模块，animation模块，qml, qtdeclarative模块，-Qt implementation of the elevator with multimedia playback system, using a combination of Phonon module, animation module, qml, qtdeclarative module

电梯监控，实现了模拟电梯监控，用qt实现的，里面还有电机驱动，还有摄像头驱动，应用在2410平台-Elevator Monitoring, simulated elevator monitoring qt, there is also a motor-driven, there are camera-driven applications in the 2410 platform