Step 5: Cut a Slit in the Water Bottle

Cut a small slit in each water bottle. 
This is the hole through which the wires from the motors will poke through. 
<p>very nice solutions you brought... I was wondering how I could seal my motors... I think I'll try to use the inside bottle caps. But I think i'll try to seal with silicone glue... <br>If I manage to make something decent I'll post here as a &quot;I made it&quot; in reference to you. Thanks for sharing!</p>
<p>I tried to do this project with two 3V DC motors and used a 9V battery to power the Arduino. However, the 9V battery drained fast in about 10 minutes when the Arduino is running the 3V DC motors through the 3.3V pin, how can I solve this problem? </p>
Haha, I hate this kind of spaghetti! Good job on this creation and your SNEEL! Love them both.
I'm a bit fan of the simplicity. I'm surprised the hot glue trick works for the motor-shaft. Definitively a tip I'll be trying to store away and remember.
Nice project. <br> <br>You have a picture when its floating? I'm trying to picture it floating and wonder if the water leaks through the motor shaft holes, unless the shafts remain above water. How do the bottles remain air/water tight with said shaft holes? <br> <br>I would like to see a video showing how it moves under its own control.
I race fast electric R/C boats. We put lube in the stuffing box (the tube the prop shaft goes through). I don't know of anyone who has had a problem with water entry through the stuffing box if the lube was applied properly.
I'm sorry for asking a petty question: but how did you create the nice design of the arduino with the wires and other misc. components. I've seen other authors add these to their &quot;ables&quot;. I would like to know so I could create my own. <br>Great instructable by the way!
Thank you peptidefarmer
Very nice project! And very good recycling of materials.
where code?
love your project... good use of on hand materials... nice job

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