基于Stm32的环境监测系统可以用来监测环境中的温度、湿度,烟雾,报警等代码
时间: 2023-06-12 19:06:41 浏览: 37
是的,基于Stm32的环境监测系统可以用来监测环境中的温度、湿度、烟雾等参数,并且可以根据设定的阈值进行报警。以下是一个示例代码:
``` c
#include "stm32f10x.h"
#include "delay.h"
#include "dht11.h"
#include "mq2.h"
#include "lcd1602.h"
int main(void)
{
uint8_t humi, temp;
uint16_t smoke;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
LCD_Init();
DHT11_Init();
MQ2_Init();
LCD_Clear();
LCD_Write_String(0, 0, " Environment ");
LCD_Write_String(0, 1, "Monitoring Sys.");
while(1)
{
humi = temp = 0;
DHT11_Read_Data(&humi, &temp);
smoke = MQ2_Get_Value();
LCD_Clear();
LCD_Write_String(0, 0, "T:");
LCD_Write_Char(temp / 10 + '0');
LCD_Write_Char(temp % 10 + '0');
LCD_Write_Char('C');
LCD_Write_String(8, 0, "H:");
LCD_Write_Char(humi / 10 + '0');
LCD_Write_Char(humi % 10 + '0');
LCD_Write_Char('%');
if(smoke > 500)
{
LCD_Write_String(0, 1, "Smoke Detected!");
}
else
{
LCD_Write_String(0, 1, "No Smoke Found.");
}
delay_ms(1000);
}
}
```
这段代码中,通过DHT11模块获得环境温度和湿度的值,并通过MQ2模块检测烟雾浓度。如果检测到烟雾浓度超过阈值,LCD屏幕上会显示"Smoke Detected!"的提示信息,否则显示"No Smoke Found."的信息。