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Basic concepts of practical electronics

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Basic components in any electronics application
Use of basic components in practical circuits
Introduction to embedded system and robotics

Published in: Engineering
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Basic concepts of practical electronics

  1. 1. BASICS OF ELECTRONICS
  2. 2. CONTENTS Theory topics • Power supply • Sensors (LDR,TDR,IR) • Current Driver • Relay • Motors • Wireless (DTMF) • Introduction to microcontroller Practical Demonstrations • Power supply • Automatic light dimmer & Temperature indicator & Object Sensing • 230v controlling using relay • Motor controlling using (DTMF)
  3. 3. POWER SUPPLY
  4. 4. Power Supply Block diagram of power supply
  5. 5. Circuit diagram
  6. 6. TRANSFORMER
  7. 7. DIODE
  8. 8. Positive Output Negative Output Regulator IC
  9. 9. Filter Capacitor
  10. 10. Adapters
  11. 11. SENSORS & COMPONENTS
  12. 12. LDR
  13. 13. LDR
  14. 14. TDR
  15. 15. IR Sensor pair
  16. 16. IR Sensor pair
  17. 17. IR Sensor pair
  18. 18. PNP NPN TRANSISTER
  19. 19. LED
  20. 20. GENERAL ELEMENTS
  21. 21. Soldering
  22. 22. Relays
  23. 23. Relay
  24. 24. Relay
  25. 25. Relay Application
  26. 26. CURRENT DRIVER CURRENT DRIVER
  27. 27. IC L293D  It is a motor driver IC.  It has internal clamp diodes  Output current 600mA per channel. Supply Voltage range of 4.5 V to 36 V.  Dual Half H-Bridge Drive.
  28. 28. Driver IC
  29. 29. Driver IC
  30. 30. Electric motor: machine that converts electricity into a mechanical motion (rotations).
  31. 31. MOTORS TYPES STEPPER MOTOR SERVO MOTOR DC MOTOR
  32. 32. Gear DC MOTOR
  33. 33. Practical Demo • Power supply • Automatic light dimmer & Temperature indicator & Object Sensing • 230v controlling using relay • Motor controlling using (DTMF)
  34. 34. WIRELESS
  35. 35. TSOP
  36. 36. RF 434 Module
  37. 37. DTMF
  38. 38. DTMF IC 8870 ADC
  39. 39. 8870 FUNCTIONAL TABLE
  40. 40. How DTMF signal can be Received ??? TWO WAYS TO Rx DTMF 1.DTMF signal can be taken from speaker and using microphone to convert sound waves to electrical signals …… tedious work. 2.The other way is through earphone jack
  41. 41. Embedded System
  42. 42. MICROCONTROLLERS
  43. 43. Generalized Block Diagram of Simple Robot
  44. 44. Thank U !

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