Romantic and DIY Fun Circuit Projects with hands on: DIY Romantic Marry Me,Music Operated Dancing LEDs,Criminal Alarm, Crisis Light,Robot,XOR, NOR,OR,XOR and NOT Gate

Title Page 2 Copyright 3 Acknowledgments 5 Introduction 6 1. Transistor Switching Circuit: Examples of How Transistor Acts as a Switch 7 2. 12v DC to 220v AC Inverter Circuit 14 3. DIY Romantic Marry Me Circuit Board 19 4. Basic Latch Circuit with Transistors 27 5. Straightforward Heat Sensor Circuit 31 6. Music Operated Dancing LEDs 34 7. Criminal Alarm Circuit 38 8. LM3914 Voltmeter Circuit 43 9. Prologue to ADC0804 48 10. Transformerless Power Supply 52 11. Crisis Light 57 12. Remote Controlled Light Switch 61 13. Voltage Tripler Circuit 64 14. Schmitt Trigger Gate 68 15. XNOR Gate 72 16. LM386 Based Audio Amplifier Circuit 76 17. NOR Gate 80 18. What's more, Gate Circuit 84 19. Alarm Generator Circuit 88 20. OR Gate 94 21. Decimal Counter Circuit 98 22. Parallel Counter Circuit 103 23. DTMF Based Home Automation 107 24. XOR Gate 113 25. NAND Gate 117 26. NOT Gate 121 27. RF Controlled Robot 126 28. Press ON Push OFF Button LED Circuit 137 29. Press Button LED Circuit 142 30. Straightforward LED Circuit 146 Thank You 150