Видео ютуба по тегу Bd139

транзистор bd139 проектирует датчик ldr
транзистор bd139 проектирует датчик ldr
AM transmitter 1wat BD139
AM transmitter 1wat BD139
[Letest] simple electronic circuit using BD139 transistor || flasher circuit
[Letest] simple electronic circuit using BD139 transistor || flasher circuit
Awesome Idea With BD139,BC547 Transistor
Awesome Idea With BD139,BC547 Transistor
Amazing Top 3 circuits with bd139 transistor | @Shaktitechshakti
Amazing Top 3 circuits with bd139 transistor | @Shaktitechshakti
Simple Current Control Circuit with BD139 & 2SC5200 Transistors | Easy Ampere Control
Simple Current Control Circuit with BD139 & 2SC5200 Transistors | Easy Ampere Control
How to test a bipolar transistor in SOT32 capsule / BD139 and BD140
How to test a bipolar transistor in SOT32 capsule / BD139 and BD140
BD139 Transistor Voltage Regulator 0-30V
BD139 Transistor Voltage Regulator 0-30V
BD 139 Transistor| LED Flasher Circuit | Transistor Projects | BD139
BD 139 Transistor| LED Flasher Circuit | Transistor Projects | BD139
Automatic light Using NPN Transistor |Automatic On-Off Light Using BD139 Transistor
Automatic light Using NPN Transistor |Automatic On-Off Light Using BD139 Transistor
How to make inverter using transistor | how to make inverter using bd139 transistor | 12v to 220v
How to make inverter using transistor | how to make inverter using bd139 transistor | 12v to 220v
BD139
BD139
am transmitter 1 watt 3 watt pep with bd139
am transmitter 1 watt 3 watt pep with bd139
2 LED Flasher Circuit With BD139 Transistor
2 LED Flasher Circuit With BD139 Transistor
The simplest solar switch circuit with transistor BD139
The simplest solar switch circuit with transistor BD139