Questions tagged [ws2812b]
Thews2812btag has no usage guidance.
89 questions
0
votes
1answer
45 views
Can I connect a 1A device to a USB 3 port?
All, If I were to connect 16 WS2182b LEDs in series (16*0.06=0.96A) and an Arduino to a USB 3 port on my PC (0.9A max I think), would my PC/USB controller get fried or would the LEDs just run dimmer? ...
0
votes
0answers
45 views
WS2812B-8 Strip has two grounds. Is one a signal ground?
I'm running 5 x WS2812B-8 RGB LED strips off an ESP32. The strips have 4 pads on each end: (from top to bottom) GND - Is this signal ground? In / Out - Signal VCC - 5V GND - Is this power ground? I ...
0
votes
0answers
121 views
WS2812B first LED flickering Wemos D1 mini
I'm running 110 WS2812B LEDs with an Wemos D1 mini clone (AZDelivery) and the first LED flickers and won't even turn off but rather show red or green. I changed the data line cable several times, ...
0
votes
2answers
66 views
WS2812b flickering at low levels
I'm having trouble with a circuit I'm building using WS2812b LEDs. The 41 LED pixels are connected to the D3 pin of a Wemos D1 Mini. They are powered by a sufficient strong power source, with a power ...
0
votes
1answer
69 views
Need help with standalone circuit; atmega328p and WS2812
I have a problem involving those two modules, can't keep them work together in board for more than 30 secs. Randomly, leds WS2812D-F5 w/ WS2812B-B, starts to turn on when should be off and then all ...
0
votes
3answers
65 views
Drive very long WS2812B RGB strip (80 meters) [closed]
I have to drive an 80 meters long RGB strip. 100 LEDs/m. What's the best option? I read Arduino hasn't enough RAM to drive them all so I was thinking about split the strip in slices and every slice be ...
0
votes
3answers
80 views
Does a USB port provide enough power for my LED project?
I'm not quite sure whether or not my LEDs will draw too much current. I can't put the schematic right now, but basically I'm using just using the power line from the USB 2.0 port on my board, and it ...
0
votes
1answer
133 views
WS2812 LED Flickering
Ihave a problem. i need to solve is as fast as possible. Maybe someone here has an idea what to do. I have WS2812 LEDs. Beetween each pixel is 30cm cable. I have to drive about 150 pixels of them ...
1
vote
3answers
190 views
Flickering LED strip when dimming
I have a 5m LED strip (Ultimate Fancy LEDs) that consists has 30 LEDs per meter of WS2812B chips. Is uses a SP601E Bluetooth controller and was delivered using a 5V/6A power supply. Out of the box, ...
0
votes
3answers
118 views
Do I need to use a MOSFET to drive 60 WS281Bs?
I’m building a custom keyboard and have 60 WS2812Bs as part of the backlighting system. I’m worried about the signal integrity as I’m using an STM32 and the max current on that pin is 25mA. Do I need ...
1
vote
3answers
284 views
Individual WS2812B circuit: Do i need a capacitor?: Power distribution?
I am currently designing a Circuit that is similar to typical WS2812B ARGB strips but seperatet into modules. In the offical datasheet, there is no mention of using capacitors as noise protection, but ...
0
votes
1answer
58 views
Controlling WS2818B matrix with ATTiny85
I am working on a small LED board project. The LED board is a 16x16 panel of WS2818B LEDs; they are also known as Neopixels. Controlling these thing is a bit of a pain, and I thought I would look ...
0
votes
1answer
28 views
12V AC to 12V DC converter to power an Arduino and some WS2812B 5050 LEDs
I am looking to convert 12V AC to 12V DC to power an Arduino through the VIN pin. The Arduino will be mounted on a PCB through header pins, please see below. This is the board I have at the moment. I ...
0
votes
0answers
49 views
Keep an Arduino Nano and 24 WS2812Bs alive if the power drops for a second
Im working on a project for a pinball machine, working on a arduino controller and beacon boards to replace old filament flashers, The supply voltage to the new arduino controller and beacon board ...
0
votes
1answer
128 views
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 ...
