2.Basics of ARDUINO UNO | DHT11/MQ2 Sensor Interfaceing with ATMEGA328P microcontroller (ArduinoUNO)

🔧 Arduino Project: MQ-2 Gas Sensor + DHT11 Temperature & Humidity Sensor 🔧

Welcome to another exciting tech project! In this video, we’ll show you how to build a safety and environment monitoring system using Arduino, the MQ-2 Gas Sensor, and the DHT11 Temperature & Humidity Sensor.

📌Download link for library and circuit diagram 📥

GitHub - https://github.com/techandtech/Arduin...

Telegram - https://t.me/c/2254184716/4

🔥 What You’ll Learn:
✅ How to connect the MQ-2 sensor to detect gas, smoke, and LPG
✅ How to measure temperature and humidity with the DHT11
✅ Interfacing both sensors with Arduino UNO
✅ Displaying sensor data on the Serial Monitor (or LCD if used)
✅ Real-life applications: safety systems, smart homes, fire alarms, and more!

📦 Components Used:

Arduino UNO
MQ-2 Gas Sensor
DHT11 Temperature & Humidity Sensor
Jumper Wires
Breadboard

🔌 Connections:

DHT11/DHT22 Sensor:

VCC → 5V on Arduino
GND → GND on Arduino
DATA → Digital Pin 2 on Arduino

MQ-2 Sensor:

VCC → 5V on Arduino
GND → GND on Arduino
A0 → Analog Pin A0 on Arduino (analog output of smoke level)



📚 Applications:
✔️ Home and Industrial Safety
✔️ Smart Environment Monitoring
✔️ Fire and Smoke Detection
✔️ IoT Projects

💡 Watch the full video to see step-by-step instructions and live testing!

👉 Don’t forget to LIKE, SHARE, and SUBSCRIBE for more tech and embedded projects!

Music from #InAudio: https://inaudio.org/inaudio - Infraction Music- Philadelphia

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