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  1. DIY SHORT CIRCUIT PROTECTION

    DIY SHORT CIRCUIT PROTECTION

    1
  2. DIY POWER AMPLIFIER WITH TRANSISTOR TTC5200 & IC LM358

    DIY POWER AMPLIFIER WITH TRANSISTOR TTC5200 & IC LM358

    2
  3. DIY PUSH BUTTON ON/OFF LIGHT CIRCUIT

    DIY PUSH BUTTON ON/OFF LIGHT CIRCUIT

    1
  4. DIY MINI INVERTER WITH TRANSISTOR 2N3055

    DIY MINI INVERTER WITH TRANSISTOR 2N3055

    1
  5. DIY 12V AUTO CUT-OFF BATTERY CHARGER WITH LED INDICATOR

    DIY 12V AUTO CUT-OFF BATTERY CHARGER WITH LED INDICATOR

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

    DIY AMPLIFIER WITH TRANSISTOR 2SC3858 & 2SA1943.

    2
  7. DIY AMPLIFIER WITH IC AN5265

    DIY AMPLIFIER WITH IC AN5265

    1
  8. DIY MINI DC TO AC INVERTER WITH 2N3055 TRANSISTOR.

    DIY MINI DC TO AC INVERTER WITH 2N3055 TRANSISTOR.

    1
  9. DIY HEAVY BASS AMPLIFIER WITH TRANSISTOR B688 & BD139

    DIY HEAVY BASS AMPLIFIER WITH TRANSISTOR B688 & BD139

    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 DUAL CHANNEL AMPLIFIER WITH TRANSISTOR 13003

    DIY DUAL CHANNEL AMPLIFIER WITH TRANSISTOR 13003

    1
  15. DIY AMPLIFIER WITH TRANSISTOR 2N3055 & TIP122

    DIY AMPLIFIER WITH TRANSISTOR 2N3055 & TIP122

    1
  16. DIY AMPLIFIER WITH TRANSISTOR D718 AND TIP122

    DIY AMPLIFIER WITH TRANSISTOR D718 AND TIP122

    1
  17. DIY LED STROBE LIGHT CIRCUIT WITH TRANSISTOR BD139

    DIY LED STROBE LIGHT CIRCUIT WITH TRANSISTOR BD139

    1
  19. DIY MINI INVERTER WITH TRANSISTOR 2SC3858

    DIY MINI INVERTER WITH TRANSISTOR 2SC3858

    3
  23. DIY 2 CHANNEL POWERFUL BASS AMPLIFIER WITH TRANSISTOR D718*2 & B688*2

    DIY 2 CHANNEL POWERFUL BASS AMPLIFIER WITH TRANSISTOR D718*2 & B688*2

    7
  24. DIY STROBE LIGHT WITH TRANSISTOR BC547.

    DIY STROBE LIGHT WITH TRANSISTOR BC547.

    11