Led strip project

[rocketbagel]

I am doing a project where I need to power 12 ft of addressable leds. I’m going to use an Arduino Uno for programming, but it won’t supply enough power to my knowledge. What power sulpply can I use to power all of these lights? To clarify, I’m leaning towards this strip https://www.amazon.com/ALITOVE-WS2812B-Individually-Addressable-Waterproof/dp/B07FVR6W71/ref=mp_s_a_1_3?ie=UTF8&qid=1548983516&sr=8-3&pi=AC_SX236_SY340_QL65&keywords=addressable%2Bled%2Bstrip&dpPl=1&dpID=51V7ZuJVpJL&ref=plSrch&th=1&psc=1 but if there are better ones at a similar price and a similar led density.

Thanks

[Firewrath9]

https://www.amazon.com/ALITOVE-Adapter-Converter-Charger-5-5x2-1mm/dp/B01M0KLECZ/ref=pd_bxgy_60_2?_encoding=UTF8&pd_rd_i=B01M0KLECZ&pd_rd_r=efb09c7f-25c3-11e9-96f5-33801498f23a&pd_rd_w=4blfM&pd_rd_wg=9Z9Ff&pf_rd_p=3f9889ac-6c45-46e8-b515-3af650557207&pf_rd_r=5X4XTM7FBS7Q4JY2MB4R&psc=1&refRID=5X4XTM7FBS7Q4JY2MB4R

Quote

• It is perfect for all 5V projects, such as WS2811 2801 WS2812B LED Strip Pixel light, CCTV Camera, Security System, Computer Project, etc.

 

[mariushm]

Each led uses around 15-20mA per color, so just go with 50mA per led.

The first strip says 300 leds  on the 16.4 ft (5 meters) strip, so on 12ft you'll have around 220 leds. So you'll need a 5v power supply capable of around 220 x 0.05A (50mA) = 11A

A regular computer power supply will have enough 5v current, up to around 20-30A... a single 5v pair of wires can carry around 10A, so for example you can get the power from two molex connectors for example and you should be fine.

 

You can also buy industrial power supplies that only output 5v, for example here's one that can do 70w (~14A) : https://www.digikey.com/product-detail/en/mean-well-usa-inc/LRS-75-5/1866-3364-ND/7705056

Or a 90w model : https://www.digikey.com/product-detail/en/mean-well-usa-inc/LRS-100-5/1866-3318-ND/7705010

or a 130w model : https://www.digikey.com/product-detail/en/mean-well-usa-inc/RS-150-5/1866-4139-ND/7706174

 

Here's more of them : https://www.digikey.com/short/ptnv2r