1. After the touch screen is calibrated, it is very accurate, but after restarting the system, it is found that the overall direction is biased. What should I do? How does the software calculate the d
After I connected the TX line of ATmega8 and the TX line of AT89C52 microcontroller, the signal sent by AT89C52 was pulled high. Has anyone encountered such a situation? How to solve it? Note: I used