MQ135采用模拟信号，OLED显示采样频率，接PA0或PA3均可；DHT11接PC0或PC13均可，128*64的OLED 做了几个简单的汉字库，自己可以往里面添加24*24,12*12均可
单片机源程序如下:
- #include "led.h"
- #include "delay.h"
- #include "sys.h"
- #include "usart.h"
- #include "adc.h"
- //#include "tsensor.h"
- #include "oled.h"
- #include "dht11.h"
- #include "key.h"
- #include "dht12.h"
- #include "text.h"
- #include "stdio.h"
- int main(void)
- {
- u8 t=0;
- // u8 k=0;
- u8 temperature;
- u8 humidity;
- u8 temperature1;
- u8 humidity1;
- u16 adc1;
- u16 adc2;
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
- delay_init();
- KEY_Init();
- uart_init(9600); //串口初始化为9600
- LED_Init(); //初始化与LED连接的硬件接口
- OLED_Init();
- Adc_Init();
- OLED_Show_hanzi12(0,0,0); //温
- OLED_Show_hanzi12(12,0,3); //度
- OLED_ShowString(24,0,"1:",12);
- OLED_Show_hanzi12(48,0,8); //℃
- OLED_Show_hanzi12(0,12,2);//浓
- OLED_Show_hanzi12(12,12,3);//度
- OLED_ShowString(24,12,"1:",12);
- OLED_Show_hanzi12(70,0,1);//湿
- OLED_Show_hanzi12(82,0,3); //度
- OLED_ShowString(94,0,"1:",12);
- OLED_ShowString(118,0,"%",12);
- OLED_Show_hanzi12(0,40,0); //温
- OLED_Show_hanzi12(12,40,3); //度
- OLED_ShowString(24,40,"2:",12);
- OLED_Show_hanzi12(48,40,8); //℃
- OLED_Show_hanzi12(0,52,2);//浓
- OLED_Show_hanzi12(12,52,3);//度
- OLED_ShowString(24,52,"2:",12);
- OLED_Show_hanzi12(70,40,1);//湿
- OLED_Show_hanzi12(82,40,3); //度
- OLED_ShowString(94,40,"2:",12);
- OLED_ShowString(118,40,"%",12);
- OLED_Refresh_Gram();//更新显示到OLED
- t=' ';
- DHT11_Init();
- DHT12_Init();//DHT11初始化
- while(1)
- {
- OLED_Refresh_Gram();
- t++;
- adc1=Get_Adc(0X00);
- adc2=Get_Adc(0X03);
- OLED_ShowNum(36,12,adc1,4,12);//显示ADC的值
- OLED_ShowNum(36,52,adc2,4,12);//显示ADC的值
- DHT11_Read_Data(&temperature,&humidity); //读取温湿度值
- OLED_ShowNum(36,40,temperature,2,12); //显示温度
- OLED_ShowNum(106,40,humidity,2,12);
- DHT12_Read_Data(&temperature1,&humidity1); //读取温湿度值
- OLED_ShowNum(36,0,temperature1,2,12); //显示温度
- OLED_ShowNum(106,0,humidity1,2,12); //显示湿度
- delay_ms(250);
- }
- }
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双D+汉+浓度.7z
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