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LPG & LNG Gas Monitoring System with ATmega32 and 7-Segment Display using Analog MQ-6 LPG & LNG Gas Sensor

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In this project, we will learn How to make a LPG & LNG Gas Monitoring System with AVR ATmega32 Microcontroller and 7-Segment Display using Analog MQ-6 LPG & LNG Gas Sensor. Here, we will display and monitor the concentration of LPG & LNG gas using Analog MQ-6 LPG & LNG Gas Sensor value in 4 multiplexed Common Anode 7-Segment Displays. 

Since, the output of the Analog MQ-6 LPG & LNG Gas Sensor is analog in nature and these analog signals cannot be processed directly by the ATmega32 microcontroller. So, first this signal needs to be converted to digital value to be processed by the microcontroller. The conversion can be done with the help of ADC of the AVR ATmega32 microcontroller. After converting the analog signal to digital, the microcontroller will display the digital value of Analog MQ-6 LPG & LNG Gas Sensor in the 4 multiplexed Common Anode 7-Segment Displays. 

Now, we will use any LPG or LNG Gas source near Analog MQ-6 LPG & LNG Gas Sensor and we will see the change in concentration of LPG & LNG gas in the 7-Segment Displays.

Softwares Required

Hardwares Required

Name Quantity
AVR Trainer Board-100 with ATmega32 1pc
AVR USB Programmer 1pc
Analog MQ-5 LPG & Natural Coal Gas Sensor Board 1pc
Quad 7-Segment Display Board 1pc
12V, 1A DC SMPS Adaptor 1pc
10 to 10 FRC Female to Female Connector 2pc
1 to 1 Connector-Female to Female 7pc

Circuit Diagram

Video

Downloads

LPG & LNG Gas Monitoring System with ATmega32 and 7-Segment Display using Analog MQ-6 LPG & LNG Gas Sensor
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