I now want to use the IO port for PWM output with a frequency of 1KHz, and then use two buttons (+, -) to adjust the duty cycle from 0 to 100%, and the corresponding digital tube displays 000-100.
The...
Use LM3S1138 to collect 220V AC 50Hz signal and make a synchronous controller (50Hz as the time base). It is found that each LM3S1138 has a startup time error, the maximum is 60ms. How to reduce the s...
If I want to write a function that can initialize different serial ports by calling this function, but I don’t know how to write it, can any expert give me some advice? I will be very grateful! ! ! ! ...
The program I wrote is to control the self-adding function to pause and clear by pressing the first three keys on the 4*4 keyboard, but the keys never work; this is why I just learned it. Can someone ...
I am now a junior in college. I am participating in an electronic design competition. I found that I am really weak in analog circuits (I am responsible for writing programs in our group). I don’t und...
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