wireless monitoring system of gas detector - Faculty of Electrical ...

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Figure 3.29: Step 3 49
50 CHAPTER 4 RESULT AND DISCUSSION 4.1 Introduction This chapter explains about the results achived in the project and a few discussions on problem solving during process and experiment of completing this project. The data collection is using types of gas sensor MQ3 and MQ9 for Alcohol and LPG gas exposes. Then the data analyzed and compared with information obtain from the several reference sources from OSHA. 4.2 Project Description Project done is based on the objectives started before whichis analyzing a sensor circuit for the gas sensor. This sensor node will detect the level of concentration of the gas exposed and convert it into analog voltage and directly sending it into Arduino. After transferring the data, Arduino will read the data into the digital format. Arduino
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WIRELESS GAS MONITORING SYSTEM OF G
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“I hereby declare that I have rea
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ii I declare that this thesis entit
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iv ACKNOWLEDGEMENT In preparing thi
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vi ABSTRAK Tujuan projek ini adalah
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viii 2.1 Introduction 6 2.2 The Haz
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x LIST OF TABLES TABLE NO. TITLE PA
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xii 3.1 Methodology of the Project
Page 17 and 18: xiv LIST OF SYMBOLS CO - Carbon Mon
Page 19 and 20: xvi LIST OF APPENDICES APPENDIX TIT
Page 21 and 22: 2 min, and death within 30 min. Ver
Page 23 and 24: 4 iv. Zigbee Arduino Uno is a devic
Page 25 and 26: 6 CHAPTER 2 LITERATURE REVIEW 2.1 I
Page 27 and 28: 8 (which is 300ppm), the actuator c
Page 29 and 30: 10 2.2 The hazardous gases Based on
Page 31 and 32: 12 From Ohms Law in equation 2.1, v
Page 33 and 34: 14 advanced analysis and data visua
Page 35 and 36: 16 2.5.1 Buzzer Figure 2.10: Buzzer
Page 37 and 38: 18 2.5.3 Exhaust Fan Exhaust fan as
Page 39 and 40: 20 Start Writing programming and co
Page 41 and 42: 22 Figure 3.3: Experiment Diagram o
Page 43 and 44: 24 Figure 3.6: Gas Sensor Circuit D
Page 45 and 46: 26 Table 3.1: Threshold Value for G
Page 47 and 48: 28 Last but not least, the output c
Page 49 and 50: 30 As mention in chapter 2, Arduino
Page 51 and 52: 32 iii. Step 3: (200, 2) (1000, 1)
Page 53 and 54: 34 iv. Step 4: Since Arduino only r
Page 55 and 56: 36 start read the output voltage by
Page 57 and 58: 38 void setup() { Serial.begin(9600
Page 59 and 60: 3.3V RX TX 5V GND 40 digitalWrite(l
Page 61 and 62: 42 The set up for the Zigbe data tr
Page 63 and 64: 44 Figure 3.23: VISA Interfacing Bl
Page 65 and 66: 46 The last stage in the data monit
Page 67: 48 Figure 3.28: Step 2 Then, the fi
Page 71 and 72: 52 The overall project set up shown
Page 73 and 74: 54 After that, the system of gas mo
Page 75 and 76: 56 CHAPTER 5 CONCLUSION AND RECOMME
Page 77 and 78: 58 REFERENCES [1] Incorporated, C.
Page 79 and 80: 60 APPENDIX 1. Block diagram for MQ
Page 81 and 82: 3. Arduino programming for MQ3 62
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