1. Materials:1. Fire Extinguisher 2. 22-ohm resistors (6 of them) 3. Wires 4. Thin plywood 5. 1" by 1" rectangular wooden pole 6. Electri...

2. First, you have to clean out the extinguisher before your work with it. Simply unscrew the cap, and pour any power out into a plastic bag. Tie t...

3. This part is going to take the longest. Clamp the extinguisher down so the bottom is facing up. There will be a bit of a lip on the extinguisher...

4. Next, You will need to cut out the door. This will be a lot faster than part 3. Cut a rectangle, from an inch to the bottom to where the top sta...

5. For the hinges and clasp to fit the extinguisher, you have to get a pair of pliers and bend them to fit the curvature of the extinguisher. Then...

6. WARNING: Most insulation has fiberglass in it. Please be careful and wear proper eyewear, breathing mask, and gloves.Other than worrying about s...

7. As I mentioned in the last step, insulation is not something you want to be touching. I got some scrap cloth and glued it over the insulation. I...

8. Assemble your cooling unit. If you have a pre-assembled unit, the move on to step 9, otherwise you will need to put it together yourself. Take t...

9. This step will vary depending on how much voltage your device needs. For me, the fan needed a max 12 volts, and the Peltier device a max of 6 vo...

10. Once you have your cooling unit powered, you can insert it through the hole in the bottom of the extinguisher. It'll take a while for it to coo...