#define D %d int a=2; printf("D",a); I want to output the value of a (i.e. 2), but the result is D. Is there any solution? printf treats "D" as a string and does not convert it to "%d". How can I conv
Hello everyone, I am studying the function of program upgrade through CAN bus recently. I plan to divide the FLASH of the chip into two parts, one for storing application code and the other for storin
Three-phase power supply abc How to program to detect the unknown three-phase A/D after acquisition? Has anyone done it before? Please give me some advice
Speaking of temperature sensors, I have only done a graduation project on ds18b20. Strangely, sometimes when I really want to do some corresponding applications, I search for the corresponding ready-m