12 Volt Led Light
I needed a light that I could run of my 12 volt battery system. I decided to make this led light out of an old case I had laying around. I cut holes in the top for the leds. I used 12 which is pretty bright. I have a resistor in series with the leds. I have one resistor for every 3 leds. I also added a switch for turning on and off. I connected banana plug adapters to the positive and negative outputs.
Tools and Supplies
Tools
wire strippers
solder
solder iron
bench power supply
electrical tape
Supplies
leds
case
switch
resistors
glue
Making
The case has four screws that I unscrewed I used a cordless drill and a drill bit the size of the leds. I used 12 leds so i cut out twelve holes 3 in each row spread evenly. then i soldered a 120 ohm resistor in series with three leds. I did this for each row. Then i connected all the negitive end together and the positive ends together. I covered all the wires with electrical tape to keep the leds from touching each other.
Finishing
make sure to test your leds before gluing them into position. I had a bench power supply to test the leds to make sure they lit up before gluing.
circuit to come: