LED Help

[ywicky]

Can anyone pls tell me how many LED's can I light using a USB.
I want 2 create a USB light. (just 4 fun)

Pls help me.
If any1 can find a tutorial it would b gr8.

 

[ywicky]

Bumpio

 

[kasun69]

Bump .....

 

[sen10]

it depends on the Amperage of the LED ...what kind of LED you are using ??

 

[ywicky]

B
U
M
P

 

[ywicky]

it depends on the Amperage of the LED ...what kind of LED you are using ??

Thought of using normal white or blue LED. I think da 3V one

 

[Pink panther]

 

[ywicky]

Bump .....

tnx

 

[ywicky]

tnx

 

[sen10]

Thought of using normal white or blue LED. I think da 3V one

Nomal LED Need 20mA, I think maximum Amperage can take from USB Port is 500ma ..so you can put 15 LED's ...but be careful you may Damage your Motherboard ..

 

[ywicky]

Nomal LED Need 20mA, I think maximum Amperage can take from USB Port is 500ma ..so you can put 20 LED's ...but be careful you may Damage your Motherboard ..

I don't want that much about 5 LED's r enough.
How do u connect them?

 

[sen10]

I don't want that much about 5 LED's r enough.
How do u connect them?

I think this one will Work for you use normal LED's instead of IR_LED's ..use 330 ohm 1/4w Resistors ..

 

[ywicky]

I think this one will Work for you use normal LED's instead of IR_LED's ..use 330 ohm 1/4w Resistors ..

Tnx.
Can u pls tell me what da resistor I shud use.

Rep 6+

 

[sen10]

Tnx.
Can u pls tell me what da resistor I shud use.

Rep 6+

Thanks .. use 330 ohm 1/4w Resistors ..

 

[ywicky]

Thanks .. use 330 ohm 1/4w Resistors ..

Tnx again

 

[ywicky]

oki tnx