Actual combat! In this section, we will explain the functions of the SCAN user driver subroutine for the EASY-M0806R PLC. Through the previous explanation, you should know that SCAN is a program calle
[size=4] When using the 6722 chip in QFP package, an embarrassing problem is that the 6722 has only 12 external address lines, and the addressing capacity is 2^12=4096, which is 4K 32-bit words. This
When debugging the serial port, I copied the driver library to the project, but uart.h could not find the sysctl.h file or the path was wrong. When I located the path to the project, the problem main.
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Make a circuit. I won't talk about using an op amp to generate a reference voltage and sampling the input. Because the values I see directly on the lm393 are correct. Now the strange problem is this: