How to make RGB led controller at home

RGB Strip controller using NPN transistor BD139. With this you can control 60 RGB LEDs. If you want to control more LEDs then use a more powerful transistor. Or, You can control this using PWM signals. It can be done using NE555 IC.

Voice controlled RGB LED Strip:

Bluetooth controlled RGB LED Strip:

RGB LED Strip control with any IR remote without microcontroller:

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Required Components:

Transistor : BD139
Resistors : 10 KΩ
Miscellaneous : 10 KΩ Potentiometer.

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Chapters:
0:00 - Intro
0:20 - Circuit
1:44 - Practical
3:25 - Output

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[jair.]

Stumbled upon this video after looking for some time and only seeing circuits that required an arduino, honestly the way you explain it and the practicality is greatly appreciated. Keep up the good work!

[mikkelkirketerp]

Yo my dude - that was actually a far better tutorial than what I first thought it would be! Keep it up! :D

[Zanith]

sure it works for 4 pin strips but not WS2812B 3 wire individualy adressable strips.... you need to send bits of data to them

[madamHermit]

Fantastic stuff, and presented in a great way for hobbyists to better understand - thanks!

[asjkds]

Thanks for the lesson!
you can tell if it comptitable with RGBW strip?
what i need to do only add 1 more Potentiometer and 10K resistor or it will fail?
and for 24v 2meter strip - it can be work? or what i need to change?
I'll glad your answer!

[abunk]

A few question:
1. Can this be done without any transistors?
2. Would it be fine to substitute 50K potentiometers?

[pritampaswanyt]

Can I use ÌRF z44 mosfet insted of this transistor.
I want to add more leds

[mohsen]

That was one of the best electronic video, you explained it very well thanks, I wanna make it and i have question can I use bd235 instead of bd139 for better current because you said it will heat up ?

[stavrosps]

Does this use pwm or just resistance? Does it get hot?

[jumbo]

Please make another video. This time using remote controller instead of potentiometer to control RGB strip.

[xmenken]

Bravo! What an interesting LED experiment! Simple and interesting!

[prathmeshkurhade]

this is so god to do the same with 5v led strip
should i use same components
Tia😊

[arnejensen]

Hi, it works fine except that I cant fully dim the blue one. Any ideas why? is it important on which of the three transistors the R, G and b connections are or is it interchangable?

[birdfluk]

Thank you so much for the easy explanation!

[GMODISM]

Awesome video and really good english. helps a lot with my lm337 rgb mixer project!

[DanielMcrae-ky]

just watched this for the 5th time and still have no idea how its actually made. massive lack of information in this video