MQ7-POLLUTION MONITORING USING THING SPEAK AND NODEMCU

Introduction: MQ7-POLLUTION MONITORING USING THING SPEAK AND NODEMCU

About: i am a student studying 11th i know all projects in arduino,nodemcu, iot also know raspberry pi

The pollution is major problem of our today's world.

but how we can monitor our pollution near by, now its very easy

SO LET'S START:

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Step 1: NEEDED MATERIALS

1. NODEMCU

2. MQ7-CO-SENSOR

3. JUMPERS

4. BUZZER

5. CONNECTING CABLE

6. MATCH BOX

Step 2: CONNECTION

1. connect NODEMCU -A0 pin to MQ-7 SENSOR-A0 pin

2.connect NODEMCU VCC pin to SENSOR-VCC pin

3.connect NODEMCU GND pin to SENSOR=GND pin

4. connect BUZZER +ve to NODEMCU D0 pin

5. connect BUZZER -ve pin to NODEMCU GND pin

Step 3: CODING:

1. open google or press this link thingspeak.

2.create an account on thingspeak.

3. create a new field on that.

5.Open API KEY sharing and copy the code

6.Paste in the arduino code..

7.change your ssid,password in code.

.

Step 4: LIBRARIES

thingspeak library: thingpeak

NODEMCU board preference :http://arduino.esp8266.com/stable/package_esp8266c...

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