DIY nano fuge and moonlights

aggie05

aggie05

Member
Yeah, I am a college kid and I am blowing my budget big time. Luckily I have a hefty savings account. I will do a write up on the moonlights tomorrow at some point when I have more time.
 
aggie05

aggie05

Member
Ok, to do the moonlight project I bought the following parts from radioshack. I used two blue led bulbs, but they have clear lenses and say blue on the box. There are two different ones, one is brighter than the other, I picked the brighter ones. I also bought some 330 ohm resistors, and a "project box" which is the black plastic box you see in the pics. The last thing I bought were the metal bulb holders. I had the 6v power supply from an old cd player so i took it and cut the cord and wired it up using the resistors. I wired the lights in parallel putting a resistor going to each bulb. Basically you wire the negative side to both resitors, then wire the each resitor to the negative side of each bulb. Then wire the two positives of the bulb to the positive of the power supply. I drilled two holes in the box and mounted the holders with the bulbs in it. Then i sealed the box up with all the wiring inside and drilled a hole in the side of the box for the wire to come through. Then you are complete. Total cost was around 13 bucks without buying the power supply. The only other thing you need to know is what size resistor to buy and I figured that out by using this example.
Here is an example.
Power Supply = 5V, 1.5A
LED = 3V, 200mA
(looking at formula above)
Resistance = 5V/200mA
Resistance = 25 Ohms
The box of the leds will have the numbers you need to use. Remember that the mA means milla so move the decimal three spots to the right before dividing. Then you know the ohms of the resitor you need.
That is about it, and you can wire up as many lights as you want as long as you use a resistor on each and wire them in parallel. I will probably add two more down the road.
 
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