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LED circuit? Answered

I recently purchased a few LEDs for a project, 2 blues and four reds. I need a way to power them all for months at a time. Would a nice soul be kind enough to draw up a schematic for me, considering I know NOTHING about this stuff? Here are the schematics, taken right off the back of the packets. 4 Red LEDs: Forward Current: 28mA max Forward Voltage 2.6 V max 2 Blue LEDs Forward (supply) Voltage: 3.7 typical, 4.5 Max Forward (supply) current: 20mA typical, 30mA max Any help?


there u go make sure the power supply is from a wall adapter of 12 volts or else a battery couldnt power it and if 100 ohm resistors dont work try 10k ohm

Thanks for the info, however that file is a .tmp file and I am unable to open it. Would it be possible to convert that to an image? Thank you.

red leds typically have 2.1 vdc at 20 ma. this is what you use if you want them to last. the screaming led specs you give a max(never exceed under any circumstances). they may last for a while using these figures. a 12vdc supply, that's exactly 12v will light 5 red led's in series with a 180 ohm resistor. if it is regulated 12v and never exceeds 12v then 100 ohms can be used.
for the white leds use 3.4 vdc and 20ma. 3 white leds in series with 180 ohms
works well. by the same token, a regulated supply can use 100 ohms for current limiting.
good luck with your project. unclecytheledguy.