Questions tagged [rgb]

Short for: Red Green Blue. The primary colors in light. Mix them to create any imaginable visible color of light. Questions are typical in reference to RGB Leds, RGB Led drivers, and code related to mixing RGB light, but can include RGB Video Standard in VGA monitors.

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Can you determine RGB pinouts with a multi meter?

I have a Swiftech Apogee XL2 that has an addressable LED inside it. I want to connect it to my other RGB setups but I need to know the pin signals and voltage of the LED. I have a multi-meter at the ...
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125 views

multiple RGB LEDs with common resistors for each color

I am modifying a pcb with 9 RGB LEDs having three resistors each normally. I know that it is the proper way of doing it. However what is the disadvantage of connecting them as below? Resistors being ...
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Control Simple RGB LED Light Strip With ESP-01 Using Homebridge

What I am trying to do is control a simple 2m 5050 RGB Led Light Strip though a ESP-01 that receives http requests through Homebridge. I am doing this through the better-http-rgb Homebridge plugin and ...
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2answers
63 views

Controlling RGB led strip each color with a switch

I am creating a picture frame that will have RGB led strip surrounding the frame. There is no room for controller. Is it possible to wire a switch between every color cable so I can manualy turn on ...
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2answers
362 views

What power supply do I need for my LED light strips?

My set up is this: Power supply > RGB LED WiFi controller > 1 to 3 cable splitter > 2M cable (x3) > 132.5cm 120leds/m 5050 RGB strip (x3) I contacted the eBay seller about what power supply I would ...
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157 views

Wiring an RGB led light array

I'm building a grow light using 100 rgb leds. I know that I need resistors but I don't know how to calculate which ones to buy. Also before I buy the leds I have the choice between common cathode ...
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1answer
5k views

RGBHV (VGA) to YPbPr Converter and Waveforms?

Purely for hobby, I am working on an RGBHV (VGA) to YPbPr (Component) converter circuit for old games consoles modified to output RGBHV on a VGA cable. From the game consoles, the RGB signal is taken ...
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1answer
1k views

ATmega328p driving RGB LED WS2801

I am using an ATmega328p to control this RGB LED module. The ATmega is on an Arduino Uno, but I am programming it in C, without using the Arduino libraries. To power the RGB module I am also using a ...
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63 views

30 Meter in series LED SMD 5050 60 led/m 12v RGBW

I want to run 30 meter Led length in series in a room on the ceiling. LED specifications (according to the supplier:) LED Type: 5050 RGBW LED Light Strip Quantity: 60 LEDs / Meter Working Input ...
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1answer
92 views

RGB led weird color behaviour (blue except when touched to skin)

I have an RGB LED, which I belive to be the diffuse version of this one: https://www.sparkfun.com/datasheets/Components/YSL-R596CR3G4B5C-C10.pdf, though I am not completely sure, as I bought it some ...
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Switching backlight to RGB in the following monitor C24FG70

I have the following monitor: Samsung C24FG70. Is it possible to change the white led backlights with RGB leds? Possibly the smd APA102 with the following microcontroller: ESP8266. How could i hook ...
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666 views

WS2811 RGB LED with arduino

I need to get this model of RGB working with Arduino , I can't find this model on the internet , it's says 12volts. I need to know how to hook it up ? and if there is an Arduino code that would be ...
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Can I connect 2 power supplies for 16 meters LED RGB strip?

I've bought 2 sets of 10 meter LED RGB strip (7.2w/m) for a room. Then I've cut them to around 8 meters each to get 16 meters. Everything seemed fine but one thing, because it's 2 separate controllers,...
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448 views

can't change LEDs states using PCA9685

I have a PCA9685 IC connected to i2c of cubieboard like board. Also OE pin is connected to one GPIO pin. I'm using ic2tools to communicate with PCA9685, I can read/...
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185 views

RGB Cable Assignments - help

I have a video cable D-Sub 9 pin. Someone know the connector pin assignments to do a RGB 3 bnc cable? Someone can help me? Below, the image of description of the cable
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630 views

Mystery while driving a NeoPixel Ring (WS2812) with a GEMMA (ATtiny85)

I am working with an Adafruit GEMMA and NeoPixel Ring 16 LEDs (ATtiny85 and 16 WS2812 leds) and trying to get a program to light the LEDs according to my "pattern" structure below, representing R, G, ...
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37 views

Battery voltage indicator using a RGB 5050 LED strip

I am looking to use a 5050 RGB LED strip to show either green, blue, and red depending on the battery I want two monitors voltage. If I take my LED strip and connect 12 volts to it and then ground one ...
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161 views

Red divider resistors for 5050 RGB strip coming from WS2811 chip

To split up a WS2811 data signal into discrete 5050 RGB 12V LED signals, I followed the example on the WS2811 datasheet and hooked up its outputs to a separate power supply. This example shows one ...
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29 views

Analogue Video Trace Matching

I'm working on an analogue audio, video and sync board for my Dreamcast. Something I've been wondering about is the tolerance for analogue video, specifically RGB, in regards to the delta for trace ...
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361 views

How to calibrate color sensor to sense RGB colors on the scale of 0-255 if the color source distance varies from 1-25 cm?

I am currently using a TCS3200 RGB color sensor but the sensed values for same color varies with the distance between sensor and color source. How should I calibrate my sensor so as to get values ...