Open the Keil program in the 02_GPIO_Key_Polling_mode folder in the Demo packageWe add the following content to the original program
int main(void)
{uint8_t count;systick_config();/* enable the LED2 G...
As shown in the figure, there is usually a 5V voltage input at the arrow position, and the test pin 1 position outputs a low level. Now the problem is that the input at the arrow position is turned of...
[i=s]This post was last edited by shipeng on 2018-7-19 13:33[/i] I am using the ADC function of the STM32F429 microcontroller recently, and I need to use 7 channels to work in scanning mode. So I turn...
[i=s]This post was last edited by emmnn on 2022-7-4 21:35[/i]PrefaceI happened to go home two days ago, and I didn't get the board back from the courier station until today to prepare for the evaluati...
The number of GSM users worldwide exceeds 2 billion 2006-7-7According to a report released by the GSM Association: "During the weekend of June 17-18, the number of GSM mobile phone users worldwide has...
The inverter is a commonly used and important speed regulating device on electric traction coal mining machines. Therefore, in order to ensure its stable and reliable operation, reasonable use and mai...