https://github.com/milan-sony/aqi

AQI - The Air Quality Index Monitoring is build with ESP & MQ135 Sensor. Here we monitor the air quality on 0.96" I2C OLED Display and Thingspeak Server
https://github.com/milan-sony/aqi

aqi-monitor esp8266 i2c-display mq-sensors nodemcu-esp8266 oled-display oled-display-ssd1306 oled-ssd1306 thinkspeak

Last synced: 5 days ago
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AQI - The Air Quality Index Monitoring is build with ESP & MQ135 Sensor. Here we monitor the air quality on 0.96" I2C OLED Display and Thingspeak Server

• Host: GitHub
• URL: https://github.com/milan-sony/aqi
• Owner: milan-sony
• Created: 2023-09-10T17:48:19.000Z (about 1 year ago)
• Default Branch: master
• Last Pushed: 2023-09-29T07:52:15.000Z (about 1 year ago)
• Last Synced: 2023-09-29T10:49:29.257Z (about 1 year ago)
• Topics: aqi-monitor, esp8266, i2c-display, mq-sensors, nodemcu-esp8266, oled-display, oled-display-ssd1306, oled-ssd1306, thinkspeak
• Language: C++
• Homepage:
• Size: 5.86 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# AQI - Air Quality Index Monitor

AQI - The Air Quality Index Monitoring is build with ESP & MQ135 Sensor. Here we monitor the air quality on 0.96" I2C OLED Display and Thingspeak Server

## Pin Connections

#### MQ135 Sensor

- Analog input pin to A0 of ESP

- VCC to Vin of ESP

- GND to GND of ESP 

#### 0.96″ OLED Display is an I2C Module so,

- SDA to D2 of ESP

- SCL to D1 of ESP

- VCC to 3v3 of ESP

- GND to GND of ESP

> The value is Measured in Parts-per-million (abbreviated ppm), this is the ratio of one gas to another. For example, 1,000ppm of CO means that if you could count a million gas molecules, 1,000 of them would be of carbon monoxide and 999,000 molecules would be some other gases.