# Compatibility with BTF-LIGHTING WS21812B strip

**URL:** <https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020>\
**Category:** Troubleshooting\
**Tags:** beginner\
**Created:** [March 4, 2025, 8:32pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020 "2025-03-04T20:32:27Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![mkayetwo](https://forum.electromage.com/letter_avatar_proxy/v4/letter/m/bc79bd/32.png) [@mkayetwo](https://forum.electromage.com/u/mkayetwo)\
**Post date:** [March 4, 2025, 8:32pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/1 "2025-03-04T20:32:28Z")

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I’ve used the V2 successfully with a neopixel strip in the past. I just purchased BTF-LIGHTING WS21812B IC RGB 5050SMD (150 LEDs). I assumed it would work out of the box. Maybe it’s not compatible or there’s a setting I need to update. Any suggestions?

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**Author:** ![jeff](https://forum.electromage.com/user_avatar/forum.electromage.com/jeff/32/3473_2.png) [@jeff](https://forum.electromage.com/u/jeff)\
**Post date:** [March 4, 2025, 8:50pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/2 "2025-03-04T20:50:30Z")

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Hey @mkayetwo - It should work. On the v2, you can set your Neopixel timing in the Settings page. Did you try the various options there already?

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**Author:** ![mkayetwo](https://forum.electromage.com/letter_avatar_proxy/v4/letter/m/bc79bd/32.png) [@mkayetwo](https://forum.electromage.com/u/mkayetwo)\
**Post date:** [March 4, 2025, 9:01pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/3 "2025-03-04T21:01:11Z")

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So, leave it at ws2812/Neopixel and just try all the data speeds. I tried that and no effect. Is there a quick way to test the strip (I just received it “used” from amazon) like hooking up 5v and ground and leaving the data pin floating or tied to 0/1?

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**Author:** ![wizard](https://forum.electromage.com/user_avatar/forum.electromage.com/wizard/32/4_2.png) [@wizard](https://forum.electromage.com/u/wizard)\
**Post date:** [March 4, 2025, 9:11pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/4 "2025-03-04T21:11:08Z")

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Double check which is the input side, the connector might be wrong.

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**Author:** ![JakeAnders](https://forum.electromage.com/letter_avatar_proxy/v4/letter/j/9de0a6/32.png) [@JakeAnders](https://forum.electromage.com/u/JakeAnders)\
**Post date:** [March 11, 2025, 1:12pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/5 "2025-03-11T13:12:39Z")

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I will do that, Thank you so much for the info.

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**Author:** ![system](https://forum.electromage.com/uploads/default/original/1X/98123d16088a5451b5a585e24c0f2a40dd76061e.png) [@system](https://forum.electromage.com/u/system)\
**Post date:** [July 9, 2025, 1:13pm UTC](https://forum.electromage.com/t/compatibility-with-btf-lighting-ws21812b-strip/4020/6 "2025-07-09T13:13:17Z")

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