RGB LED Controller Teardown
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- Опубліковано 22 жов 2018
- RGB LED Controller Teardown
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FAQ:
Me: Paul, 49 from USA
Education: United States Navy, University of California at San Diego B.S. E.E., University of Pittsburgh M.S. E.E.
Experience: United States Navy STS, Bayer Intnl Process Engineer, C.C.A.C AP of EE
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'the mystery 8 pin controller' ... an attiny85 I guess?
thanks 4 sharing! literally saved my life after accidently ripping off the 3 IR-wires, not knowing where they were soldered on to..
Thank you for the explanation!! Just what I was looking for !! ✨
I like fun electronics episodes, esp, led strips etc. Thanks Paul. Makes learning electronics fun.
Thanks
I have one of these controllers the resistors like to burn out when you connect an extension cable
How to make any controller be able to save the last setting WITHOUT ANY current at power cut and WITHOUT giant programmer board soldered into circuit?
I've got one of those strips I bought to put under the awning on my RV. I think mine is 5M long though. I didn't use it for the same reason, no real white. I ended up using a strip of bright white LEDs instead. Thanks for opening up the box and showing why this stuff is so cheap!
Yep, nothing really hiding under the hood.
the unmarked microcontroller at 3:24 is most likely Microchip PIC12F. Judging by the Vdd and Vss pin position. Definitely not ATTiny
hello. one question when we remove the 12 v everything turns off and then when we reconnect the power the circuit preserves the light effect prior to turning it off?
Thanks Paul.
Bro you are going somewhere one day way too talented for UA-cam keep up the good work
If i connected 3.7v power supply (lipo battery) and a single rgb led .. would it work or the 12 v is mandatory as source and output
I have a problem with mine, the LEDs light up only when I connect the Source with Drain on each FET. Tested the FETs while in Diode mode and they seem ok. Any idea what the problem could be?
Paul, you were actually on the right track using this gear with an aquarium... Might not look quite as purdy but you can control the green goop that grows on the glass as well as stopping the fishes needing sunglasses. The mixed white is far better for living things than the doped blue LEDs.
Sunlight, spectrums and all that. Very good for growing "herbs" too (so I'm told). If you play with the right fish and the right colours you'll see it's not just sheldon cooper that can make fish glow. Blacklight reveals odd details.
There are some very precise "recepies" for colour mixes ... but most fish cant read so a mix of colours slightly biassed blue is good enough, for plants go greener/red and for "bright light" plants (hem...hem!) add a dab of blue to an equal green/red
Hey Paul, can you please tell me the value of the resistor just after the 12V positive input? Thanks
10k
Can I modify this same controller so I can connect 3 different led strips with 4 pin male headers (these LEDs are short in length) instead of only one? I'm thinking I could get 3, 4 pin female headers which I could connect into?
Please check this image to further understand what I mean: ibb.co/nPY1Ncx
Are all those IR remotes coded the same, and could one extract the code on that chip
It’s possible that the remotes could be coded similarly. My sister has two different LED devices from different manufacturers however one controller from their kits can control both devices. This is most likely because the infrared signal sent from the controllers depending on the button you hit, are the exact same. However if you can’t tell for sure you can rig a mini infrared receiver on an Arduino and program the Arduino to recite the hexadecimal code that the receiver gets. Then take your remotes and try out different buttons.
Ahh yes I definitely know how to do this 😅 I’m tryna to find a video on how to fix the microphone that combing in a different version of the box thing but I can’t find anything oof
I've had 2 of these stop working in 2 months, and only running a couple strips. Are they that inferior or am I missing something?
@@BIasterXD I did, and all has been well since. Must have been a bad batch or something maybe.
Can you repair the power input ports on these? Theres something loose in the port that when you move the power cord the lights shut off
You could try to reflow the joints
Could you make a short video on how you could control those three transistors with something like an Arduino? I have a similar strip with actual RGB LEDs that also uses a similar transistor setup that I'd love to control.
Ok
Thank you very much, I'm already looking forward to it.
Find this comment and that’s exactly my situation. Did you make this video? Thanks in advance!
Great work explaining how controller works, I’m starting in eletronics and this video helped me a lot.
haha that's my BangGood bluetooth light bulb remote! I have a 5V LED strip that runs off USB and I'm amazed that it lights up as bright as it does (given the low 5 V input).
Keep in mind that led brightness is current based not voltage. 3.2-3.3V is all an led needs. Write them in parallel and you're good to go.
That same remote control is bundled wit ha lot of cheap LED lighting controllers. It and similar models also common in Arduino starter kits and a lot of arduino home-brew projects.
They can be had on ebay for under a dollar, so these lighting manufactuers are probably buying them in bulk for a few pennies each.
Chinese economics!
Stupid question, how do I wire that rgb control box to a 12 volt car battery without damaging it?
can you help me with answer? i want to make my pc power on and of on with that controler. is that possible?
It depends on your system board. If you have a custom build you can use the power button and a simple board to have the remote work. Just have to have a board that can interpret the signal. Otherwise no. Its a difficult setup and why would you want to use a remote like that to just power a pc? You can get a key fob that is just one button that can do that with the receiver and a relay.
Can you check how to reprogram that ic.
If you mean the eeprom then yes you can reprogram it. However the unit will not work well after. The Eprom is for the sequencing of the lights. There is a list of tables in there the MCU uses to determine how to turn on or off the leds as well as the intensity.
Are these switched via + or -? Are the outputs positive or negative?
These are probably n-channel mosfets. They do current sinking since it is more efficient than using p-channel ones. The rgb strip usually has a common vcc (12V) and each color has a different ground that connects to the drain of each mosfet.
what if the lights blinks once and goes off at al what means that
WAY TO GO..
Your incorrect about the LED's having a chip on each one with a DO/DIN line. The LEDs are controlled via the (transistor) or (fet) on the board. The intensity of all blue/red/green individual LEDs are set by the controller via PWM. I have one of these without the remote. However I think someone posted the codes that drive these things in arduino code.
I believe the MCU in that device is a Microchip PIC12(L)F1571/2. I mapped out the known pins and it matches up.
Can somebody send me the circuit diagram i want to make a rgb controller without arduino pls help me regard this plss
Horror. Horror. No capacitors, zener diode (most likely 5.1v) instead of voltage regulator. No resistors for transistors gates. True planned limited lifespan. 3-4 months? It probably will survive most of holiday season and fail (zener will burn and 12v will kill the rest). My favorite line from game Oblivion, trader: "You don't want the very best. You want cheap. And I've got cheap."
@5:34: this just cheapest flux that they can find.
Well, when it fails you can reuse led strip and a box for better controller (IR receiver will most likely burn as well).
I have run it for about 8 months with no problem
"hUr DuR"
At 1:10.... Red looks blue, green looks orange, blue looks green.
Maybe adjust your trinitron
@@learnelectronics
LOL.
"Foucs you fuck"
3 dislikes, what's to dislike . Thanks Paul for showing us under the hood on the controller, another interesting video.
There's always someone who dislikes every video. I appreciate the time they take to watch and dislike.
Days ago, I was watching either Dave's eevblog or Julian Illet (sp?) I forget which, they tried out premiere and someone disliked the video just because they wanted to train UA-cam's algorithm to not recommend premieres (I think he didn't understand what this new feature is) (BTW, he mentioned his reason in his comment). I just got premiere capability this week, so I've been curious how well it works. I guess it's a delicate balance between using a feature early on when it's a nice new novel feature, and giving it enough time (before using it) so people can get used to the new feature/know what it is. Same thing happened with 360 VR videos (I think some of the dislikes were because people didn't know what 360 VR was and didn't know they needed a good browser/system to view them correctly)
I can't think of a video *anywhere* on youtube that doesn't have at least 1 or 2 downvotes...
It's really nothing to stress about.
MrMcsoftware : Every video I've seen so far that uses the premiere "feature" had received a lot of complaints about it. Mostly about the extra notifications and cluttering up the subscription feed that it creates.
Plus, a lot of people (myself included) don't really see the benefit of it, especially when a channel's audience is spread out across the world's time zones.
pileofstuff : That's very good to know! I was concerned about the time zone problem as well, and the extra notifications. I guess it''s good for videos that are very special (big surprise, etc. or even something in which viewers would really want to chat with the creator), but for normal videos, it's a bad idea.