Help choosing correct components

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michaelmacartney
 
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Joined: Fri Nov 06, 2015 3:10 pm

Help choosing correct components

Post by michaelmacartney »

Hello,

I am completely new to this, in my spare time I make props. In my latest prop I want to include some fancy lighting. I am completely sold on using the 1m neopixel strips however I am not sure at all what I need. My basket as it stands is this:

Adafruit NeoPixel Digital RGB LED Strip - White 60 LED
Adafruit Pro Trinket - 5V 16MHz PID: 2000
JST-PH Battery Extension Cable - 500mm PID: 1131
USB LiIon/LiPoly charger - v1.2 PID: 259
Lithium Ion Polymer Battery - 3.7v 1200mAh PID: 258
Switched JST-PH 2-Pin SMT Right Angle Breakout Board PID: 1863
3-pin JST SM Plug + Receptacle Cable Set PID: 1663
Adafruit Pro Trinket LiIon/LiPoly Backpack Add-On

I've also have a power back that I will use to charge the battery.

Is this too much, too little, completely wrong?

Any advice is much appreciated thanks.

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bobby500
 
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Re: Help choosing correct components

Post by bobby500 »

can you code?
neopixels are advance.

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michaelmacartney
 
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Joined: Fri Nov 06, 2015 3:10 pm

Re: Help choosing correct components

Post by michaelmacartney »

As a software developer I really hope so lol

The lighting I wish to achieve isn't too difficult

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adafruit_support_mike
 
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Re: Help choosing correct components

Post by adafruit_support_mike »

You'll probably want a PowerBoost 1000 as well: https://www.adafruit.com/product/2030

LiPo batteries have a nominal voltage of 3.7v, and it's easier to make NeoPixels work from a 5v supply, especially if you plan to run more than about 20 of them. Each pixel consumes up to 60mA, so you lose a little bit of supply voltage as the wires pass each pixel. Small NeoPixel projects can work from 3.7v, but longer strips want the extra headroom of 5v.

Using a PowerBoost negates using the LiPo Backpack directly, because that's made to send power straight to the microcontroller. You can still use the Backpack to power the LiPo, but the power connections will be a bit more involved.

Beyond that, it looks like you have a good basic setup. Any additional details will depend on the exact system you want to build.

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michaelmacartney
 
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Re: Help choosing correct components

Post by michaelmacartney »

Thanks for your input, Basically what I will be doing is placing the LEDs in a resin cast bow, I think it'll be around 2m of LEDs, the power and circuit will be stored outside the bow. I want to programme the lights to create a purple energy wave on the bow with a different on \ off animation. That's about all the details I can provide.

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