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...
Does anyone have a charging management IC for two lithium batteries of 7.4V (7-8.4V)? Input 5V. Big brand chip, charging current 3A. Please give the specific model. Thank you....
[TOC] ## What is OSAL? Today, a classmate suddenly asked me if I had ever worked on OSAL. I was confused, so I found the answer on the search engine and found that it is a very practical thing. OSAL (...
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...
Dear experts, I recently used a sensor, as shown in the following document, and can read data in the current state, but the question is how to convert the AD value into the actual air pressure value? ...