All Questions
Tagged with ws2812b power-supply
24 questions
0
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1
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42
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Can I use the CC/CV converter as the LED strip driver?
I have a power supply - Molex from power supply unit (5V, max current - 11A). Besides lighting there are other consumers that do not need current stabilisation. I want to power 9 ws2812b LED strips ...
- 3
1
vote
0
answers
126
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The best way to step down 12V to 5V with at least 10A current from a PS3 power supply for a WS2812B LED strip
I am new to electronics. I had a PS3 Super Slim power supply lying around, which outputs 12V up to 13 amps. Recently, I bought a 5-meter strip of WS2812B LED strip, which needs 5V, and the recommended ...
0
votes
1
answer
57
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Lower current than specified with LEDs' calculations for power supply
I have 1 meter of this ledstripe with 144 LEDs per meter. It is specified:
144 diodes/m = 34.56 W/m
That would make 6.912 A per meter. But when I connect them and ...
- 203
0
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2
answers
1k
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How to power an ESP8266 + LED strip correctly?
I would like to power ~100 LEDs from an WS2812 LED strip and an ESP8266 with my power supply of 5V / 5A.
I've read a lot of tutorials and advices but I'm still not 100% sur that all my assomptions are ...
- 103
0
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2
answers
123
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Power supply parameters to be used for WS2812B addressable leds
I bought WS2812B addressable leds. LED strip has a length of 5 meters and has 144 LEDs per meter. So there are 720 LEDs in total. I want to control this strip led with Raspberry Pi. I want to use ...
0
votes
1
answer
768
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Addressable LEDs (WS2815): power and data in a multicore cable
Would it be possible to use a multi-core cable to have power and data in the same wire?
I'm using WS2815 LEDs. The total current needed is 9.6A. For a cable of 8 meters, a 2.5mm wire is needed. ...
- 19
0
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1
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289
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What's wrong with my wire connections? (LED strips only getting ~1 V)
I'm trying to make an LED strip work, with these parts:
A WS2812B LED strip (60 LEDs/m), 5V
An Alitov 5V 15A power supply
An Arduino Nano
My issue is that the strip isn't getting the 5v it requires. ...
- 121
1
vote
1
answer
1k
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Can't get WS2812B LED strip working with PC power supply
I am an absolute beginner in both electronics and LEDs.
I would like to power my WS2812B LED strip (5m, 300 LEDs) with an old PC power supply.
The power supply has 600W so more than enough power.
To ...
- 113
1
vote
1
answer
76
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Adding more LEDs in the strip causes white to become red-ish
I have an LED strip with 62 LEDs. The type of the LEDs is WS2812B. I am powering them with a 5V 10A switching power supply.
When I set the LEDs to white and full brightness, they look a bit red-ish. I ...
- 113
0
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1
answer
383
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Can I use a single large capacitor rather than multiple small?
I'm designing a PCB to hold an array of WS2812B LEDs. The LEDs are in groups of 4, with roughly 1cm gap between them, 60 total LEDs per PCB.
As per the documentation recommends I add a 0.1uF ...
- 428
0
votes
1
answer
62
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One button circuit with thyristor, controling power suply
Please forgive my lack of knowlige.
I need to make circuit with one button(normaly OFF, ON while pressing) using thyristor.
This circuit will be connecting and disconnecting raspberry pi and bunch of ...
0
votes
1
answer
231
views
Creating stable 72V power source
For a lighting project, I want to power 12 programmable LEDS (WS2812b or equivalent) in series, and then have 5 of these sets in parallel. Due to extra resistance, I think I need a constant voltage ...
- 3
3
votes
3
answers
31k
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How much current for a 5V 60 LED/m WS2812B 5m LED strip?
I'm planning on controlling a 5m 60 LED/m WS2812B chip 5V strip with a Raspberry Pi Zero W. According to the website it draws 18 watts per meter (90 watts total). What current would this strip draw, ...
- 33
0
votes
1
answer
283
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Powering 1920 leds with 32 strips of 60 ws2812b led strips each (32 meters)
I'm tring to build a led display with 32 strips of ws2812b led strips with 60 leds each. That's a total amount of 1920 leds.
How many power supplies should I buy? Given the max current of 50mA per ...
1
vote
1
answer
704
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WS2812B custom power distribution block
I have a couple questions about my DIY LED installation.
Both FUSE BLOCKS have 20 amp fuses inline each input to the main terminal which leads to the PSU, so 6 to 1, each having a fuse inline such ...
2
votes
2
answers
666
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Fixing power supply interference issue (?)
I am working on a project that involves controlling WS2812B led strips using a Teensy 4.0 microcontroller. I got everything working during the testing phase, but now, after transitioning from ...
- 25
16
votes
10
answers
31k
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Is DC 5V and 2A dangerous to me? [duplicate]
I am new to electronics so please forgive me.
I am looking at powering a WS2812B RGB strip. Specifically 144 LEDs/ meter. After doing some research I found that 200mA is lethal and can kill. Now, of ...
- 185
-1
votes
1
answer
140
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Powering long lengths of WS2812B Pixel Tape
I've been doing a lot of research regarding powering WS2812B pixel tape. From my tests, running a 5m length of 30 LEDs per metre tape requires powering at both ends to avoid yellowing/browning when ...
0
votes
3
answers
344
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WS2812 high inrush current in big installation
I have a "big" installation with WS2813 (WS2812b successor) LEDs. The installation encompasses over 350 LEDs which should consume about 21A if all powered on, which should never happen (it's a simply ...
2
votes
2
answers
4k
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Powering multiple WS2812B strips from different sources, are all grounds connected?
I'm looking to confirm if I need to connect the ground of 2 LED strips which have different power sources.
Adafruit says
The key is to have all of the ground pins among the strips connected in ...
- 21
0
votes
1
answer
791
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Raspberry Pi Zero - 5 VDC output current?
I was planing on using a Raspberry Pi Zero W for a smart lamp project with WS2812b LEDs.
To avoid needing a separate power supply for the LEDs, my plan was to power the LEDs from the +5 VDC on the RPI ...
- 697
0
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1
answer
219
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Wiring a power supply, arduino, and LED strip together?
I've been researching various websites on all of my questions and have found answers to many of them but I am also finding conflicting answers for some of them. I've read that electricity is something ...
-1
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2
answers
3k
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Ws2812B strip required AWG
I’m looking to setup 6 runs of WS2812B strips at 10 meters length each (2 rolls of 30/m each).
I selected a 5v 100 amp psu and plan to power each strip by supplying power at one end and in the middle....
- 103
2
votes
1
answer
1k
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esp32/ws2812b power issue
I'm building a little circuit to handle two 5m led strips with an ESP32. ESP32 is a d-duino-32 OLED clone you can find in ebay/aliexpress sites.
Also bought a 5v 20a power supply. One path powers the ...
