Questions tagged [apa102]

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APA102 (HD107S) LED strip noise problem

I built POV display with HD107S LED strip (similar to APA102), It uses Raspberry Pi 3 and ESC module to drive the motor. At first on the breadboard the POV works well, at this time the strip LED ...
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2 answers
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APA102 LED strips behaving weirdly and flickering towards the end

I am trying to make a 29 x 29 LED matrix to display animations using the APA102 (Dotstar) LEDs with an Arduino MKR Vidor 4000 as a microcontroller. I have connected the data and clock signals of the ...
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2 votes
1 answer
606 views

Programming an attiny85 and powering a circuit over a single USB-C port

I'm currently working on a RGB enabled controller stand that will include a circuit that does do two things: -charge the controllers -control rgb strips on the mount I'm pretty new to electronics, and ...
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1 vote
1 answer
385 views

Dotstar (APA102) LED strips decoupling capacitor on PCB

I am trying (based on very distant memories of EE in college) to design a fairly simple Arduino shield PCB to control several LED strips in parallel. Each strip would connect to its own 4 pin terminal ...
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1 answer
383 views

Power consumption of APA102c LED 10mm grid

I have two of these 16x16 grids (https://www.pololu.com/product/2533) with leds programmed to have white color (255, 255, 255) and brightness level = 16. I have a power supply with maximum of 16A ...
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1 answer
58 views

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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3 votes
4 answers
2k views

Getting a more stable signal on very long strips of adressable RGB LEDs

I need to drive a 12m strip of APA102 RGB LEDs (144 per meter). I use a Raspberry Pi for this Job. This LED driver IC (APA102) takes an SPI signal and hands it to the next LED in the series and so on....
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3 votes
1 answer
6k views

Long term reliability of addressable RGB LED strips? How do WS2812B, APA102, and SK6812 compare? [closed]

I'm about to order a lot of RGB LED strips for a project that will hopefully be running for years if not decades. I used to have very good luck with strips using the WS2812B chips, but in recent ...
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