LED strip light help

Guido · Oct 16, 2012

Hey guys, rookie question here...

I have a 5m roll of 5050 LED strip lighting. It came prewired both ends with red and black wire. My question is, the LED has +, R, G, and B (positive, red, green and blue?) The red wire is soldered to positive and the black wire looks to be bridged across the remaining 3 contacts with solder. Is this correct procedure for a single colour RGB LED?

Cheers
Guido

baitfish · Oct 17, 2012

looking at the photo, i'd say that having all three soldered together will bring on all three colours. i've never played with that type but so only running on a hunch. test it on ya ute battery man, wont hurt anything.

Aussie Frontier · Oct 17, 2012

I think you might find that the flexible circuit board they are using is for RGB or in this case High Power SMD 5050 leds, rather than the smaller 3528 SMD leds

shan_b · Oct 18, 2012

well, in physics... all three colors makes white light, dunno bout with circutry though

Aussie Frontier · Oct 18, 2012

this might help explain it a bit easier

Its a comparison between the single chip leds and multichip 5050 leds

dan1104 · Oct 18, 2012

I'd say its fine. there is most likely 3 individual LED's a read a blue and a green, which as shan b said creates a white light. test it on a 9v battery... if they arent bridged i'd say you would get each individual colour

Aussie Frontier · Oct 18, 2012

this is the type of LED they are using. It has 3 chips and more than likely isnt RGB but just white . It has 2 connections per chip so 6 connections in total

whereas this is an RGB unit

Joshp82 · Oct 19, 2012

Guido said:
Hey guys, rookie question here...

I have a 5m roll of 5050 LED strip lighting. It came prewired both ends with red and black wire. My question is, the LED has +, R, G, and B (positive, red, green and blue?) The red wire is soldered to positive and the black wire looks to be bridged across the remaining 3 contacts with solder. Is this correct procedure for a single colour RGB LED?

Cheers
Guido

They look like the same LED's i have in the back of my ute. They will just be white. If all 3 neg are soldered it will be the brightest it can be. If you only solder 1 it will be dull. You can cut the strip every 3 LED's I have 5 sections of 6LED's in the tub of my ute 2 each side and 1 in the middle and its pretty bright

spoon1337 · Oct 19, 2012

Just bridge the 3 neutrals (RGB) , you can cut them more frequent then every three if you like you just have a bit more soldering.

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