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JujuGG

Small 7 segment kit

by JujuGG Feb 2, 2018
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Where can i find how to connect this?

Ok, I'm still experimenting and learning. But it depend if you use Standard led strip, or adressable leds strip.
On the photo, it's standard led strip. All the plus connectors are soldered between them. And all the minus connector soldered to one wire.

To control them with a controler (like an arduino). You need to use a logical transistor. (Because this led strip use 12v, and arduino give only 5v...)
So you can use the BC547 transistor to control them.

Also you will lost 7 digital pin on your arduino for each 7 segment. But you can use a shift register to save 5 pins (this one : 74HC595)

OR you can use adressable led strip. You will no need anymore transistors, shift register, and all this wires.
There is a lot of video on YouTube for that leds.

I'm still learning about adressable leds. I can't tel you how to do for the moment...

It depend of your needs, but adressable is probably the simplest solution.

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