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Step 1: Required Items

for1 this project you will need the following items: A small project box, a on and off button, A soldering gun and solder. shrink tubing, A computer fan, a 9 volt battery and battery clip, a few small drill bits and a drill . Optional is a hot glue gun and lighter. .  

Step 2: Drilling the Holes

The first step is really to hot glue the 9 volt battery clip on the inside of the project box but if you decided not to use hot glue or you didn't have a hot glue gun your first step is to drill the holes. For this part you will need to drill ether two or three hole. In the photos you can see I decided to drill three hole. For the wires I found a small drill bit that was about the diameter of the wires. Next I found a spade bit that was about the size of the washer that cam with my button. The first two holes are to run the fan wires into the project box. The next hole is to set the button into place. After placing the button you can lock it into place using the provided washer. I would recommend a on and off button because they are easy to wire and because they stay on unlike momentary buttons. 

Step 3: Prepping for Solder

The second step in the project is to prep the wire for soldering. The first part in this step is to pull the wires from the fan into the project box. From here you need to cut three small portions of shrink tubing, one for the negative wire and one for each contact on the button. For help in soldering you may want to twist the two negative wires together and twist the two positive wire onto the contacts.  

Step 4: Soldering

The third step in this project is to solder together the wire and to shrink the shrink tubing. Because I am not personally the best at soldering this step took me a few tries. After soldering the wires you need to shrink the shrink the shrink tubing. Make sure that your solder connections will hold. This step can can take place in one of two ways. First you could shrink the tubing with the soldering iron or you could shrink the tubing with a lighter. Because I believe that the lighter way is easier I would recommend it.  

Step 5: I'd Like to Call It Cramming

The fourth step in this project is to assemble the project box. I would start out with inserting the battery. I do this first so that when you insert the battery you will not tangle up the battery in the wires. From here you will need to cram the wire into the project box so that you can screw in the screws.  

Step 6: Attaching the Project Box

The last step from here is to attach the project box to side of the fan. I personally did this earlier in the assembly and you can to, but thinking about it later I released it would probably be easier to attach it at the end. I used hot glue, which I would recommend, to attach my project box to my fan, but you can use other things to like zip ties or velcro. From here you take this almost any were with you. I like to use mine after a long work out or after a bike ride through the hot, humid air. Remain cautious for it will hurt if your finger gets sucked into the fan.  
<span class="long_text" id="result_box"><span style="background-color: rgb(255,255,255);" title="Este es un excelente e interesante proyecto, pero ser&aacute; valorado solamente por las personas que se ven obligadas a viajar diariamente en medios sin aire acondicionado.">This is an excellent and interesting project, but it will be appreciated only by people who are forced to travel daily in vehicles without air conditioning. </span><span style="background-color: rgb(255,255,255);" title="Digo esto por experiencia propia, yo tuve un ventiladorcito a pilas y muchas veces me resultaba imprescindible."><br /> <br /> I say this from experience, I had a battery operated fan and it often was essential to me.</span></span>
I'm going to make one of these that is incorporated into an airsoft face shield because summer playing gets hot wearing a plastic mask
i feak your pain I&nbsp;ride my bike and Longboard alot and am forced to be in the heat all day&nbsp;&nbsp;
This is perfect for my needs. I want a small fan to attach to the mirror end of a Newtonian reflector telescope to bring the inside air to ambient temperature and dissipate any refractive air layers over the surface of the mirror. Nicely done!
i have something like that but the fan is a 110volt fan i bought at radioshack, a 6ft exyension cord i cut one end off for power and everything in the fan is store bought
I&nbsp;like your idea of a toggle switch I&nbsp;was going to use one until I&nbsp;saw the on and of button good job I&nbsp;really like your design&nbsp;
i made one of these with a PS2s fan and a 9 volt battery, good job<br />
thank I&nbsp;did my best&nbsp;

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