[MQ-2 datasheet] UsageVCC - 5V GND - GND S - Analog pin0 Example codeint sensorValue; void setup() { Serial.begin(9600); // sets the serial port to 9600 } void loop() { sensorValue = analogRead(0); // read analog input pin 0 Serial.println(sensorValue, DEC); // prints the...
MQ-2烟雾检测传感器 MQ-2型烟雾传感器属于二氧化锡半导体气敏材料,属于表面离子式N型半导体。处于200~3000摄氏度时,二氧化锡表面吸附空气中的氧,形成氧的负离子吸附,使半导体中的电子密度减少,从而使其电阻值增加。当与烟雾接触时,如果晶粒间界处的势垒收到烟雾的调至面变化,就会引起表面导电率的变化。利用这...
Sheet_1在编辑器中打开 PCB 预览 PCB_1在编辑器中打开 BOM BOM下载在立创商城下单 IDNameDesignatorFootprintQuantity 1 104 C2,C1 C0805 2 2 Pin P1 HDR-4X1/2.54 1 3 MQ-2 U2 SENSOR-TH_MQ-2 1 4 10K R2 RES-ADJ-SMD_RM065-V1 1 5 5Ω1 R3 R0805 1展开 附件 序号文件名称下载次数 1 MQ...
its reading as an analog voltage. The sensor can measure concentrations of flammable gas of 300 to 10,000 ppm.The sensor can operate at temperatures from -20 to 50°C and consumes less than 150 mA at 5 V. Please read theMQ2 datasheet(184k pdf) for more information about the sensor. ...
Data sheets- Curves and behavior for each sensor, using logarithmic graphs. Main purpose- Every sensor has high sensibility for a specific gas or material. Contributing Please readCONTRIBUTING.mdfor details on our code of conduct, and the process for submitting pull requests to us. ...
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...
MQ-3-datasheet消耗积分:1 | 格式:pdf | 大小:72KB | 2015-12-25 QT_许小五 分享资料个 关注 MQ-3 GAS SENSOR datasheet。 MQ-3 下载并关注上传者 开通VIP,低至0.08元下载/次 下载资料需要登录,并消耗一定积分。 声明:本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅代表作者本人...
Sensor Important points: Points you should identify VCC -> 5V Power supply (+) wire GND -> GND Ground (-) wire AO -> Analog Output of the sensor Data of board that you should have RL Value in KOhms Graph RS/R0 value (From datasheet of your sensor) ...
Hanwei Electronics Grou...MQ-2 59Kb/2PGAS SENSOR More results 类似说明 - MQ-W 制造商部件名数据表功能描述 SICK AGWLG4-3E1134 778Kb/6PPhotoelectric retro-reflective sensor WLG4-3E1382 780Kb/6PPhotoelectric retro-reflective sensor WLG4-3F3182S06 ...
However, the results from the ppm value shows that MQ-6 is more sensitive compared to MQ-2 gas sensor, demonstrating a significant difference in terms of returned ppm values. Additionally, the results from the data revealed that the optimal distance for the placement of both sensors is 20 cm...