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Top3 Electronic Project with BC 547,557,BD139,PhotoDiode, IR LED 6 : 25
Top3 Electronic Project with BC 547,557,BD139,PhotoDiode, IR LED

Saam Electric

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BD139 BD140 Power Transistor Tutorial | How to use? | Pinout 12 : 05
BD139 BD140 Power Transistor Tutorial | How to use? | Pinout

CETech

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DC Light Dimmer using BD139 NPN transistor (0 - 38v) / maximum 3A / Negative voltage control 4 : 54
DC Light Dimmer using BD139 NPN transistor (0 - 38v) / maximum 3A / Negative voltage control

POWER GEN

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How to make mini Audio amplifier using BD139 Transistor 6 : 12
How to make mini Audio amplifier using BD139 Transistor

Creative life on

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LED Flasher Circuit 4 : 30
LED Flasher Circuit

Creative creator

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How To Make BD139 Transistor LED Flasher Circuit | By Et Electronics & Electric 2 : 12
How To Make BD139 Transistor LED Flasher Circuit | By Et Electronics & Electric

Et Electronics & Electric

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How to make Auto ON OFF Led light use NPN BD139, diy dark sensor 3 : 11
How to make Auto ON OFF Led light use NPN BD139, diy dark sensor

ABTabi

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Transistor BD139 electronica practica 3 : 29
Transistor BD139 electronica practica

Aprende Mas

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How to make automatic ON OFF Led light using NPN BD139 Transistor 5 : 06
How to make automatic ON OFF Led light using NPN BD139 Transistor

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How to use PNP transistor instead of NPN transistor as a switch 5 : 45
How to use PNP transistor instead of NPN transistor as a switch

EE Wave

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Top 4 Electronic Project Using BC547 BD139 transistor RGB LED & More Eletronic Components 10 : 01
Top 4 Electronic Project Using BC547 BD139 transistor RGB LED & More Eletronic Components

Technical Creative Channel

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Chia sẽ mạch Ampli Hifi cực hay công suất 150W | LCSC Electronics. 5 : 48
Chia sẽ mạch Ampli Hifi cực hay công suất 150W | LCSC Electronics.

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