Aim
The goal of this activity is to measure the level of smoke in the environment and also generate an alert signal using a buzzer.
Materials Required
- Arduino UNO R3 – 1
- USB Cable – 1
- Breadboard – 1
- Red, Green LEDs – 2.
- Buzzer – 1
- LCD 1602 Display – 1
- MQ-135 sensor – 1
- I2C Display Module – 1
- Several Jumper Wires
Wiring Diagram
Desired Outcome
When the surrounding smoke level is high, it alerts us by triggering a buzzer.
