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  1. DIY TOUCH DOOR BELL CIRCUIT

    DIY TOUCH DOOR BELL CIRCUIT

    17
  2. DIY AUTOMATIC INVERTER USING 12-0-12 TRANSFORMER, 2SC5200 TRANSISTOR, LDR AND 6V RELAY

    DIY AUTOMATIC INVERTER USING 12-0-12 TRANSFORMER, 2SC5200 TRANSISTOR, LDR AND 6V RELAY

    12
  3. DIY RGB LED STRIP CONTROLLER USING IRF540 MOSFET.

    DIY RGB LED STRIP CONTROLLER USING IRF540 MOSFET.

    3
  4. DIY 220AC VOLTAGE REGULATOR WITH TRIAC BT136

    DIY 220AC VOLTAGE REGULATOR WITH TRIAC BT136

    3
  5. DIY SHORT CIRCUIT PROTECTION

    DIY SHORT CIRCUIT PROTECTION

    1
  6. DIY TOUCH ON/OFF LIGHT WITH TTP223 SENSOR

    DIY TOUCH ON/OFF LIGHT WITH TTP223 SENSOR

    2
  7. DIY PUSH BUTTON ON/OFF LIGHT CIRCUIT

    DIY PUSH BUTTON ON/OFF LIGHT CIRCUIT

    1
  8. DIY AMPLIFIER WITH TRANSISTOR 2SC3858 & 2SA1943.

    DIY AMPLIFIER WITH TRANSISTOR 2SC3858 & 2SA1943.

    2
  9. DIY MINI DC TO AC INVERTER WITH 2N3055 TRANSISTOR.

    DIY MINI DC TO AC INVERTER WITH 2N3055 TRANSISTOR.

    1
  10. DIY OPEN AND CLOSE CIRCUIT INDICATOR.

    DIY OPEN AND CLOSE CIRCUIT INDICATOR.

    1
  11. DIY SOUND DETECTOR LED WITH MOSFET Z44N

    DIY SOUND DETECTOR LED WITH MOSFET Z44N

    1
  12. DIY 12V LED STRIP BLINKING CONTROLLER

    DIY 12V LED STRIP BLINKING CONTROLLER

    1
  13. DIY MIC AMPLIFIER WITH IC TDA2822

    DIY MIC AMPLIFIER WITH IC TDA2822

    2
  14. DIY AMPLIFIER WITH TRANSISTOR 2N3055 & TIP122

    DIY AMPLIFIER WITH TRANSISTOR 2N3055 & TIP122

    1
  15. DIY AMPLIFIER WITH TRANSISTOR D718 AND TIP122

    DIY AMPLIFIER WITH TRANSISTOR D718 AND TIP122

    1
  16. DIY LED STROBE LIGHT CIRCUIT WITH TRANSISTOR BD139

    DIY LED STROBE LIGHT CIRCUIT WITH TRANSISTOR BD139

    1
  17. DIY MINI INVERTER WITH TRANSISTOR 2SC3858

    DIY MINI INVERTER WITH TRANSISTOR 2SC3858

    3
  18. DIY AMPLIFIER WITH TRANSISTOR 2N3055 & IC LM358

    DIY AMPLIFIER WITH TRANSISTOR 2N3055 & IC LM358

    1
  19. DIY MUSIC REACTIVE LED WITH TRANSISTOR BC547 & CONDENSOR MIC.

    DIY MUSIC REACTIVE LED WITH TRANSISTOR BC547 & CONDENSOR MIC.

    21
  20. DIY 12v LED DRIVER WITH 220V AC SUPPLY USING BRIDGE RECTIFIER

    DIY 12v LED DRIVER WITH 220V AC SUPPLY USING BRIDGE RECTIFIER

    21
  21. DIY STROBE LIGHT WITH TRANSISTOR BC547.

    DIY STROBE LIGHT WITH TRANSISTOR BC547.

    11
  22. DIY DC MOTOR FARWARD & REVERSE CONTROLLER

    DIY DC MOTOR FARWARD & REVERSE CONTROLLER

  23. DIY AUDIO AMPLIFIER WITH TRANSISTOR 2N3055

    DIY AUDIO AMPLIFIER WITH TRANSISTOR 2N3055