12 Led Neopixel Ring Now powering on

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haynernick
 
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Joined: Mon Jul 26, 2021 12:38 pm

12 Led Neopixel Ring Now powering on

Post by haynernick »

Hello,

I ordered a neopixel ring with 12 lights and it will not power up. This is the second device I have received with an issue. I have supplied 5v and Gnd voltage to the ring and the lights do not come on. I was using a dc power adapter and terminals hookups to make the 5v 1.2 amp connection. I added a capacitor to the circuit following the best practice rules and it still does not turn on. Is there any way to trouble shoot to fix this? I really don't want to send it back unless it is totally unfixable. The connections for 5V and GND are soldered. Is there a troubleshooting guide for rings that don't power on?


Thanks

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adafruit_support_carter
 
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Re: 12 Led Neopixel Ring Now powering on

Post by adafruit_support_carter »

NeoPixels require a data signal to come on. They won't do anything with just power. What are you using to drive (send data to) the NeoPixels?

More info here:
https://learn.adafruit.com/adafruit-neo ... -neopixels

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haynernick
 
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Re: 12 Led Neopixel Ring Now powering on

Post by haynernick »

Ah, I see. I was planning on using an ATTINY85 programmed with a tinyusb avr programmer. I wanted to test the lights to see if they would power, I did not realize they need a data signal! Thank you for the response.

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