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Connections

EEE report

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Arafat Hossain
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29 views1 page

Connections

EEE report

Uploaded by

Arafat Hossain
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Connections:

MQ135 Gas Sensor:

 VCC → 5V on Arduino

 GND → GND on Arduino

 AO (Analog Output) → A0 on Arduino

Flame Sensor:

 VCC → 5V on Arduino

 GND → GND on Arduino

 DO (Digital Output) → Pin 3 on Arduino

SIM800L GSM Module:

 VCC → External 5V power supply (ensure stable 5V, as SIM800L can consume higher current)

 GND → GND on Arduino and External Power Supply

 TX → Pin 8 on Arduino

 RX → Pin 7 on Arduino

16x2 LCD (with I2C adapter):

 SDA → A4 on Arduino

 SCL → A5 on Arduino

LEDs and Buzzer:

 Red LED: Positive leg → Pin 4 on Arduino, Negative leg → GND

 Green LED: Positive leg → Pin 5 on Arduino, Negative leg → GND

 Buzzer: Positive leg → Pin 2 on Arduino, Negative leg → GND

Relay Module (for Water Pump):

 VCC → 5V on Arduino

 GND → GND on Arduino

 IN → Pin 6 on Arduino

 NO (Normally Open) → Positive terminal of the water pump

 COM (Common) → 12V positive terminal

 Negative of the water pump → 12V negative terminal

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