r/LED_lighting

Hi Reddit LED Team,

Am getting flickering in my LED strips that I've setup at home, hoping you can help pinpoint the issue for me? (small sections of each parallel line of strips twitching different colours then back to normal)

LAYOUT

1. I am working on an LED wall panel project with 6 parallel lines of 18W/m FCOB RGBCCT IC strips (addressable) , 3 pin LED - 24v+, DI/DO, GND.

2. There are 4 strips in each parallel line, each strip 0.68m - 2.72m total -> equals 49 Watts /line ----------- 24V -> 2A / line * 6 lines = 12A = 294 Watts

3. Power is direct to each parallel LED line, and not through the LED controller (only connected for low volt signals)

4. They all share common ground.

5. I am using 18 AWG cable for the initial longer runs to each wall panel (2m away, 2m away, 3m away, 4m away and 5m away), then the 18 AWG is soldered to the first strip at the bottom of each panel.

6. From there I used 3 pin strip connectors and 22 AWG cable to connect the remaining 3 strips along that panel in that parallel line. Each cable run between strip to strip is 45cm in that parallel line (using 22 AWG at this point).

7. Power supply is generic - but rated 400W and 16A max.

Other Details

Flickering I'm seeing is in the later panels 4/5, strongly suggests length is my issue? I've left the initial 18 AWG run to each starting strip a little longer by 2' - 3' or so.

I've also noticed it's the entire parallel run flickering (small sections of all strips twitching different colours then back to normal), so all strips in that line.

Is the signal too weak over the long runs or too many splits? Do i need to amplify the signal from controller? how would go about doing that?
Is the power the issue over the long run?

References

The LED Strips:

https://www.amazon.ca/dp/B0FXX649RT?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

The Power Supply:

https://www.amazon.ca/dp/B0CN8WYKKK?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

The LED Controller:

https://www.amazon.ca/dp/B0FJLVN75M?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

LED Connectors:

https://www.amazon.ca/dp/B0CCSN6MY1?ref=ppx_yo2ov_dt_b_fed_asin_title

https://www.amazon.ca/dp/B0D831NY1L?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

18AWG Wire:

amazon.ca/dp/B07SKGTCWQ?ref=ppx_yo2ov_dt_b_fed_asin_title

22 AWG Wire:

https://www.amazon.ca/dp/B08J7WKV6W?ref=ppx_yo2ov_dt_b_fed_asin_title

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