Ive been searching the internet for a while now, and this site keeps coming up so I decided to post.Ive been digging around using the search and haven't found quite what im looking for either.
The leds I have are ultra bright blues and greens 20ma, 2.8 forward voltage as far as I can measure. They were packaged with 470ohm resistors as a kit for 12v sources, that's how i got the 20ma.
I have a few old cell phone wall plugs that are 12v and 500-600ma I would like to use to light my desk.
Im planning on getting up to a 4x8 array of leds eventually, 4 rows of blue, 4 rows of green with a 4 way switch connecting the colors. All off, green on, blue on, blue and green on.
I want to make sure my desk wont light on fire if I leave the lights on for extended periods of time. Im often away for 3 days at a time and forgetful.
Will I be ok using the cell phone wall plug with the array suggested?
Can I build half of the array, only the blues, with the same result?
Will 25 gauge wire be ok as well?
Thanks in advance
The leds I have are ultra bright blues and greens 20ma, 2.8 forward voltage as far as I can measure. They were packaged with 470ohm resistors as a kit for 12v sources, that's how i got the 20ma.
I have a few old cell phone wall plugs that are 12v and 500-600ma I would like to use to light my desk.
Im planning on getting up to a 4x8 array of leds eventually, 4 rows of blue, 4 rows of green with a 4 way switch connecting the colors. All off, green on, blue on, blue and green on.
I want to make sure my desk wont light on fire if I leave the lights on for extended periods of time. Im often away for 3 days at a time and forgetful.
Will I be ok using the cell phone wall plug with the array suggested?
Can I build half of the array, only the blues, with the same result?
Will 25 gauge wire be ok as well?
Thanks in advance