# PM2.5 Air Quality Kit

<el-tag effect="plain">SKU:K023</el-tag>

<div class="product_pic"><img src="assets/img/product_pics/base/PM2.5/PM2.5-1.webp"> <img src="assets/img/product_pics/base/PM2.5/PM2.5-2.webp"></div>

## Description

**PM2.5** is a pollution sensor base with affordable price and high performance.  Integrated with PMSA003 and SHT20, makes it possible to measure the ambient quality of air, temperature, and humility all at one device. 

Much discussion and research have taken place within academic and government environmental organizations as to how accurate such sensors are and whether they have a place in the enforcing of environmental regulation, or even providing an indication of air quality trends to citizens.

With M5Stack product series, the system makes it much easier to deploy the measurement node all around the city and make it possible to build a complete ecosystem from regulation enforcement to citizen indication.

With regards to PMSA003, it is a digital universal particulate concentration sensor designed by using the principle of laser scattering method. It is capable of continuous acquisition and computing the number of suspended particles in per unit volume which is also the particulate concentration distribution. Then turn it into mass concentration and output through digital GPIO.

- Precise measurement implemented by laser scattering method.
- Digital output, standard UART comunication
- 0 error alarm rate
- real-time response 
- continuous acquisition
- Minimum particle size resolution: 0.3 µm
- Pattern structure design, 6-sides full dimension cover, high antijamming capability
- Alternative in-outlet direction, wide application scale. users no need to redesign the air flue.
- Tiny body, 12 mm. good for portable and wearable device

SHT20 is a Humidity and temperature sensor IC.
- Fully calibrated
- Digital output, I2C interface
- Low power consumption
- The excellent long term stability

<img src="assets/img/product_pics/base/PM2.5/PM2.5-4.webp" width="250" height="250"> <img src="assets/img/product_pics/base/PM2.5/PM2.5-5.webp" width="250" height="250">

## Product Features

-  DC 5V 
-  Compatible with M5stack stackable and extension system.
-  M5Core pedestal (Pin out SPI/I2C/Power)
-  Proto board 
-  USB Type-c port

## Include

-  1x PM2.5 base
-  1x M5Stack Basic 
-  1x M5Core pedestal
-  1x Type-c cable
-  2x M3 screw


## Specification

<table>
   <tr style="font-weight:bold">
      <td>Resources</td>
      <td>Parameter</td>
   </tr>
   <tr>
      <td>Net weight</td>
      <td>70g</td>
   </tr>
   <tr>
      <td>Gross weight</td>
      <td>135g</td>
   </tr>
   <tr>
      <td>Product Size</td>
      <td>63*52*46mm</td>
   </tr>
   <tr>
      <td>Package Size</td>
      <td>125*67*23mm</td>
   </tr>
 </table>


## EasyLoader

>EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification. Please install the corresponding driver according to the device type. M5Core host [Please click here to view the CP210X driver installation tutorial](en/arduino/arduino_development), M5StickC/V/T/ATOM series can be used without driver)


<div class="easyloader-box">
    <div style="background-color:white;">
        <div><img src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/easyloader_intro.webp"></div>
        <div class="easyloader-btn">
            <a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Windows/APPLICATION/EasyLoader_PM2.5_APPLICATION.exe">Windows</a>
            <a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/MacOS/APPLICATION/EasyLoader_PM2.5_APPLICATION.dmg">MacOS</a>
        </div>
    </div>
    <div>
        <video id="example_video" controls>
            <source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Product_example_video/App/PM2.5.mp4" type="video/mp4">
        </video>
        <div class="easyloader-mask">
        <a>
            <svg id="play-btn" t="1583228776634" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4152" width="75" height="75"><path d="M512 0C229.216 0 0 229.216 0 512s229.216 512 512 512 512-229.216 512-512S794.784 0 512 0z m0 928C282.24 928 96 741.76 96 512S282.24 96 512 96s416 186.24 416 416-186.24 416-416 416zM384 288l384 224-384 224z" p-id="4153" fill="#007aff"></path></svg></a>
            <p>Description:</p>
            <p>Temperature and humidity display, PM1.0, PM2.5, PM10 standard particle concentration, ambient particle concentration and particle number display.</p>
        </div>
    </div>
</div>

## Learn

### Datasheet

- [SHT20](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/SHT20_Datasheet_en.pdf)

- [PMSA003](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/base/PMSA003_cn.pdf)

### Example 

### 1. Arduino

*Use with Arduino, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/PM2.5)*

### 2. UIFlow

<img src="assets/img/product_pics/base/PM2.5/pm2.5.webp">

## Schematic

- [PM2.5](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Units/UNIT_PM25.pdf)

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