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Old 12-08-2004, 11:44 PM   #11 (permalink)
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If it's an optical mouse what ever you do don't change the tracking led,If you do there is a big chance it will never track right again,you would have a cool looking mouse but what's the sense of having it if it wont work

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Old 12-12-2004, 12:58 PM   #12 (permalink)
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Ok for the mouse (i'm putting two LEDs in it) i went here to calculate:

i used the Series LED config. one. My supply: 12V, LED Forward Voltage, 3.3V, my desired LED current was 5mA, with 2 LEDs. Limiting resistor cam out to be 1080 Ohms, and Resistor wattage came to be .027W.

Since Radioshack only offers a 560 Ohm 1/2W resistor as their biggest one, do i need two?

If yes, how should i connect them?

If you have done something like this, putting two LEDs in a row, could you please show me a picture??

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