When S7-200 PLC communicates, it prompts: There is a master station on the profibus network. The current device does not support the master station. And double-click refresh in the communication, and
The locomotive detection signal generation is carried out by using virtual instrument technology, combined with Visual Basic software, and using a PC to avoid redevelopment after the railway locomotiv
Transparent LED display screens have been favored by the market since their launch, and have been widely used in various fields such as stage, auto show, and TV station. How are the types of LED trans
Contiki is very suitable for hardware platforms with limited memory. I have ported the Contiki kernel to LaunchPad. The development environment is IAR. The project source code is attached.Note: Before