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.
349 questions
2 votes
1 answer
106 views
Understanding H/V sync circuit in RGBHV distribution amplifier
As a hobby project and a way to learn, I'm trying to make a 1x2 RGBHV distribution amplifier. I've got the amplification for the RGB part mostly figured out but I'm clueless on how to deal with the H/...
- 31
1 vote
3 answers
148 views
LM3914N RGB Bar with multiple colours [closed]
I am busy with a design where I will measure an input and indicate the specific input with a bar graph that uses an LM3914N LED driver to illuminate different colours on the bar. All the LEDs on the ...
- 51
1 vote
0 answers
66 views
Can I Power a 1.5m Addressable LED Strip via USB type A 3.0? Overheating Issues [closed]
I have a 1.5-meter addressable LED strip with a 5V 3A rating. I tried using a 5V 4A power supply, but the LED strip overheated. Then, I tested with a phone charger (output: 5V/9V/12V - 1.67A/1.67A/1....
0 votes
0 answers
84 views
Output RGB from a SONY DXC-M3A without Control unit
I would like to retrieve the RGB signal + Csync directly from the vintage broadcast camera, the Sony DXC-M3A. I have already tried making a cable using the 14-pin connector, but without success. I ...
0 votes
2 answers
144 views
Microscopic View of LCD IPS Display: What Are These Black Lines Made Of?
I examined my Phone's IPS LCD display under a microscope and observed three distinct types of black lines in addition to the RGB subpixels: 1.Thicker black lines separating different pixel arrays. 2....
- 111
0 votes
1 answer
97 views
STM32h750 connect Display pure RGB24 bit to ltdc rgb565
I have a question about ltdc Can I connect a 24 bit rgb tft to my LTDC RGB565. Is there any trick to connect this hardware by connecting the most significant lines. I have seen some example itch RGB ...
- 51
1 vote
1 answer
63 views
I am trying to read the voltage change across a blue LED connected to a WS2811 driver chip with an ESP32-c3 analog read
I am trying to read the voltage of the blue component of the RGB using a voltage divider and reading the analog input through another esp32. However when I try to read the voltage, the analog reading ...
- 11
1 vote
2 answers
272 views
Why ist the parallel RGB LCD interface radiating on my PCB?
My PCB is working perfectly but it failed EMC test. It is a STM32H7A3 controller with a 4.6" TFT LCD 800x320px through an 40 pins FFC cable with 24 bit parallel RGB interface. It is radiating at ...
- 11
0 votes
3 answers
148 views
RGB LED Stripe Control Using 1 PWM
I’m working on a project where I want to control the brightness and color of an RGB LED using an Arduino. My idea is to use: One PWM signal to control the brightness. Three GPIO pins to select the ...
0 votes
1 answer
86 views
Trying to read the voltage of an individual RGB light output through the analog input of an esp32. Facing issues while trying to get reading
I am trying to read the voltage of the blue component of the RGB using a voltage divider and reading the analog input through another esp32. However when I try to read the voltage, the analog reading ...
- 13
0 votes
1 answer
74 views
Connecting Toradex Verdin iMX8M Mini to LCD Display with RGB 24bit interface with I2C Touch
I´m building my base board that uses the Toradex Verdin iMX8M Mini SOM module. My base board uses the same electronics from Toradex Verdin Development Board and exports the SOM MIPI DSI interface for ...
- 113
0 votes
1 answer
155 views
read a RGB bit signal using the RMT module on an esp32-c3 devkit
I am trying to use the RMT module on the esp32-c3 devkit to read a RGB bit signal which drives a WS2812b. The bit signal is around 800 kHz therefore the basic PulseIn() command on Arduino IDE cannot ...
- 13
-1 votes
1 answer
177 views
Implementing RGB in dali system
I have a dali system in which we implemented color temperature.In that case we used #231 command for setting color temperature. Now we want to implement RGBWAF control. Question 1: Can I set R,g,b ...
- 25
0 votes
2 answers
117 views
Where is best to put power source of LED strips wired in parallel
I have got a 20m length of rgb led strip in which I want to cut and use 10 different lengths for in-between wood on a slatted wall. I am wiring the strip in parallel. Does it matter where I put the ...
- 1
0 votes
0 answers
148 views
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 ...
