When writing a program with STM32, the trigonometric function sin is used and the header file math.h is included, but the output value is incorrect. What is the reason? Please provide an answer. I wou
[i=s]This post was last edited by paulhyde on 2014-9-15 09:35[/i] My program suddenly stopped running during operation, and I found that the 8M crystal oscillator did not start. In order to find out t
[align=left][color=#333333][font=Arial, Microsoft YaHei][size=14px]I am learning an LED shutdown circuit. The circuit uses a MOS switch to shut off the negative pole of the LED. I have a few questions
[i=s] This post was last edited by niguangyixia on 2018-12-5 10:41[/i] [font="][size=14px]Help needed:[/size][/font] [font="][size=14px]The serial port interrupts of routine 6657 have been adjusted by