* function:ignite a lighter.Then the sensor detects the gas emitted.Thus, * the LED on the gas sensor and that attached to pin 13 on the arduino Uno * board will light up. Also you can see the value at A0 and D0 printed on Serial Monitor. * connection: * MQ-2 gas sensor Uno R3...
MQ-2 Sensor是基于QM-NG1探头的气体传感器,QM-NG1是采用目前国际上工艺最成熟,生产规模最大的Sn02材料作为敏感基体制作的广谱性气体传感器。该产品的最大特点是对各种可燃性气体(如氢气、液化石油气、一氧化碳、烷烃类等气体)以及酒精、乙醚、汽油、烟雾等有毒气体具有高度的敏感性。 用途:用于排风扇、儿童玩具和...
Program to calculate PPM using MQ sensor: Thecomplete programto calculate PPM using a MQ sensor is given below. Few important lines are explained below. 在继续程序之前,我们需要输入负载电阻 (RL)、斜率 (m)、截距 (b) 和新鲜空气阻力 (Ro) 的值。获取所有这些值的过程已经解释过了,所以现在让我们...
气体传感器的模拟引脚连接到的 Arduino 引脚。还定义了一个名为 sensorValue 的变量来存储传感器值。2Mq...
#include<Arduino.h> #define sensor A5 #define led 13 #define sensor_d0 2 unsigned int sensorvalue = 0; void setup() { // put your setup code here, to run once: pinMode(sensor_d0, INPUT); pinMode(sensor, INPUT); pinMode(led, OUTPUT); ...
模块的AO引脚连接到开发板的模拟引脚A0,模块的DO引脚连接到开发板的数字引脚2。 实验原理图如下图所示: 实物连接图如下图所示: 2. 新建sketch,拷贝如下代码替换自动生成的代码并进行保存。 /* MQ-2烟雾传感器的使用 */ #include <Arduino.h> #define Sensor_AO A0 #define Sensor_DO 2 unsigned int sensor...
2. 新建sketch,拷贝如下代码替换自动生成的代码并进行保存。 登录后复制/* MQ-2烟雾传感器的使用 */#include < Arduino.h >#define Sensor_AO A0#define Sensor_DO 2unsignedintsensorValue =0;voidsetup() { pinMode(Sensor_DO,INPUT);Serial.begin(9600); ...
模块针脚Arduino针脚 VCC ---> 3.3V GND ---> GND SCL ---> A5 SDA--->A4 烟雾传感器MQ-2: VCC--->5V GND--->GND A0--->A0 温湿度传感器DHT11: + ---> 5V OUT ---> 2 - ---> GND 时钟模块DS1307: SCL ---> A5 SDA ---...
To simplify detector and neutralize cigarette smoke in the campus area made a system detector and neutralize cigarette smoke Arduino Uno microcontroller based using an notification iot. The whole tool is divided into several parts, consisting of sensor mq-2, module ESP8266-01S, module LCD, mikro...
Yes Features: **Versatile Gas Sensor Compatibility** The diymore MQ-series Gas Sensor Header Module is a versatile addition to any Arduino project, designed to work seamlessly with a range of gas sensors including MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, and MQ-135. Th...