Is GPS a location service or a security service? Currently, most products have so-called anti-theft and cross-border vehicle tracking functions. In fact, the most basic and original function of GPS is
If the ARM board hardware circuit is connected correctly, but there is no USB driver running on the board, when I connect the board to the computer, will the computer show that the USB device is not r
Has anyone implemented small rtos on the C8051F020 microcontroller? I tested it and created 3 tasks, but why can't the three tasks run in a loop after running once? These three tasks are all in a whil
USART generally has two modes: query and interrupt, but I still prefer the query method, because the interrupt method is always difficult to use and I think it is too esoteric. After struggling for se