[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...
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...
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...
(1)确认 sys_config.fex 中配置的 sensor I2C 地址是否正确(sensor datasheet 中标注,读地址为 0x...
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. ...
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...
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. ...
WLG4-3K2232 798Kb / 6P Photoelectric retro-reflective sensor WLG4S-3F3434V 1Mb / 7P Photoelectric retro-reflective sensor WLG4S-3N1132V 1Mb / 7P Photoelectric retro-reflective sensor WLG4S-3N2432V 784Kb / 7P Photoelectric retro-reflective sensor WLG4S-3P2234V 1Mb / 7P Photoelectric retr...
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...
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...