So anyway, I made a flashlight out of it. Enjoy!
Step 1: Materials
Also, sorry for blurry pictures, I am bad at photograph taking.
(1) Battery Clip
(1) 2 AA Battery Holder*
(1) Package of 4 LED's on a PC board. Find them here: Electronic Goldmine 4 LED Cluster
(2) Old Contact Lense Cases
Hot Glue + Gun*
(1)Little Piece of Hookup Wire*
Step 2: Connect Battery Clip to LEDs
This picture shows where I attached the battery clip leads to the LEDs, not including the switch yet.
It is somewhat hard to see, so I will explain. The blacklead can go to either one of the single solder joints on the outer row of the board. The red attached to the solid ring inside the 4 single holes.
So basically, you can see that the black is touching one of the four single solder joints, while the red is touching the ring.
**Make sure you test it our before soldering.**
Step 3: Connect Leads to Switch
Now we will connect the leads of the battery clip to the switch. The switch will turn on/off the light.
1.Connect the black lead to ANY of the little leads coming out of the switch.
2.Get a piece of hookup wire, and attach it where the black leads used to be. So, the piece of hookup wire will go on any of the single solder joints.
3.Now connect the piece of hookup wire to the switch leads next to the black one.
I made a hand-drawn picture below to clear it all up.
Step 4: Dremel Place for Wires + Switch
What we want to do is Dremel two little slits for the two wires so that it can fit smoothly.
Now you must choose a spot for your switch. I chose my switch to be to the right of where the holes were slit, but it is entirely up to you. Make sure the actual "switch" part is facing out. It is common sense.
As you can see in the second picture for this step, you can see where my switch is located.
Step 5: Finishing Touches
I had to use my last resort: Hot Glue. The place where I hot glued it was in the front. This is the rounded edge. I just did a smooth line straight across and it holds really steady.
Once again, sorry for the blurry picture.