I have serval LED strips but I for got how to use then. Right now I just want to get one strip working. There are plenty of you tube articles as to how to program. What I need is how to wire. What I see is 2 black wires to ground, 1 white wirer to Din, 1 red wire to 5 volts. The black and white wire are tied together in a plug of some sort. The red and black wire hanging loose. I forgot how to do photos, sorry about that. Any help would be apricated.
I moved your topic to an appropriate forum category @Naneen.
In the future, please take some time to pick the forum category that best suits the subject of your topic. There is an "About the _____ category" topic at the top of each category that explains its purpose.
This is an important part of responsible forum usage, as explained in the "How to get the best out of this forum" guide. The guide contains a lot of other useful information. Please read it.
Thanks in advance for your cooperation.
I can understand that you forgot how to use them, but that you forgot how to do photos...
Try little harder...
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Just take a photo and drag it into the composer field (where you type your message on the forum).
You also forgot to mention what kind of strips they are (addressable or non-addressable).
If they are addressable strips and based on your description, white and black go to the Arduino (signal and GND respectively), the other black and the red go to the power supply (GND and Vcc respectively).
If in doubt, get your multimeter out and measure.
pert Thank you, I could not find this area, or I got tired of looking sorry. kmin trying to have a stoke and see what you remember.(read my profile). sterretje Thank you for your advice They are addressable. I guess I was fixated on the fact that the white and black wire was on a plug, and I took that for the power source. I will try it your way.
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Sorry for my ironic answer, I don't read profiles. From colors I could expect that sterretje's suggestion is correct. That "black and white tied together" gives little bit doubts. Photo would be big plus.
This is completely out of original argument, but since it's third time in few days I see this image, I wanted to ask @xfpd : In real life who is powering his led strips with external psu and arduino from computer?
I immagine that If you power your strip with external psu, you would wire it like this:
The power supply in the lower-right is for the WS28xx. Uno power goes nowhere. However; MCUs need data and USB is exactly how that happens on the Uno. If that was sarcasm, it failed.
You are completely wrong...
No sarcasm this time. I mean in real life, not prototyping. You have programmed strips lightning your room "permanently". Want to have usb cable running to your computer?
I expect Naneen had his lights powered from from arduino pins without external PSU.
Read the topic title.
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I wrote "out of original argument".... However, I just made a question, I don't wat to take this further away from title.
The black wires are likely connected. The purpose of the plug with the black and the white wire is likely to be an easy interface to a microcontroller board. The white wire goes to a GPIO of the microcontroller that can output the data towards the addressable LEDs.
The other black and the red wire make a power supply input that takes 5V from an external power supply.
Connections can be made along the lines suggested by @xfpd in #7. The green wire in his diagram would be the white one on your strip.
It's always best to include photos, diagrams etc. that illustrate what you're working with.
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