Questions tagged [rgb]
Short for: Red Green Blue, the primary colors in light. They can be mixed to create any visible color of light. Questions are typically in reference to RGB LEDs, RGB LED drivers, and code related to mixing RGB light, but can include the RGB Video Standard in VGA monitors.
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3528 RGB LED common anode but + on pin 1
I have a gaming controller (nacon; mid tier) which have 3 damaged LEDs. They are 4 pin RGB LED 3528 size in common anode. But the positive common is on pin 1 (the LED marked pin) and all the LEDs ...
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Why are these RGB grounds connected to the signals?
This is part of the schematics from an old arcade cabinet. The RGB signals all have distinctive grounds that seem connected directly to the signals cable. How is it possible? There is a video ground ...
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Understanding safety concerns with RGB modding hot-chassis TV
I'm in the US. I'd like clarifications on the safety of RGB modding an old, hot-chassis TV. I know it's not economically viable but I'd like to learn. While researching how to do this safely I ...
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Audio visualizer: What can I improve in this circuit?
Being a beginner in electronics, I embarked on designing and building a sound visualizer, turning bass, mid, and high frequencies into red, green, and blue light in an RGB LED strip.
I designed the ...
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Can a shift register be used to drive LEDs that need to be pulled down to light up?
In my limited experience I have only used RGB LEDs that have a common anode connected to ground and then are lit up by pulling up on the pin connected to the LED colour pins. I currently have 3 ...
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Can I use a handheld spectrophotometer to calibrate my TCS3200-based fluid color assessment system?
I'm trying to build a system that measures color and turbidity within the tube that exits a patient's brain. Using a TCS3200 sensor and an Arduino micro, and a custom-made housing to ensure a dark ...
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Why the LED heats up and fails to pass the controlling information further?
Intro
I'm designing my own macro keyboard with 3x5 rows of RGB-LED backlit buttons and two encoders. I use SK6812 (WS-2812B-like) mini RGB LEDs to backlight the buttons.
TL;DR
After turning on the ...
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Design RGB Strip with WS2813 on 24 V?
I am in the process of designing a PCB with RGB LED's. I wanna control them with NeoPixel. And it has to be supplied with 24 V.
Right now for reference (see picture) I have a LED strip with segments ...
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Which type of male header can connect to PC addressable RGB LED connectors? [closed]
I need to find the right connector, solderable on the surface of a PCB, that can mate with the cable shown in the picture below. This type of cable is commonly used of addressable RGB LED fixtures (...
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Sporadic flickering for (very) long WS2812 strips
I haven't found any information (almost anywhere, searching for weeks already) that goes beyond my research. I hope someone has a tip/idea/hint. Maybe my research helps others too.
Connected are 5120 ...
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RGB digital to analog converter
I am seeking help to design a small PCB that can translate digital RGB like Neopixel to analog signals for driving high current LED RGB. I know it's a bit weird. I would like to connect to a board ...
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Why my 12V RGB LED strip controlled by Arduino Uno has reversed colors and when I set RGB to 0,0,0 (after reverse) strip should be black but its red?
This is scheme:
Transistors: BD912, PNP, 15A, 100V, 90W, TO220.
And this is color of "black":
and this is code:
...
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Feeding multiple analog video channels onto a common bus - signal integrity issue?
Consider the following simplified schematic:
The intention here is to have multiple analog video input channels selectively coupled trough an analog switch onto a shared bus (this bus will be on a PCB)...
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Fluctuating brightness in RGB-LED strand controlled by Arduino
I am controlling the three colors of an RGB strand using PWM output from an Arduino UNO (via IRF520N MOSFETs). When the signal to the LEDs is in midrange, the strand starts to visibly pulsate at a ...
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Identify this LED strip and suggestions for controllers
I am trying to find how to use this LED strip. If you can find anything about this please suggest me some controllers. Please refer to these photos. I found this while cleaning the house. It has two ...
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