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deodorant solar bike light

deodorant solar bike light
I saw a guy in SF with a bike like that looked like a deodorant stick which gave me the idea to hack a solar garden light into a deodorant stick for easy weather proofing (and aerodynamic goodness).

This is a simple hack, re-packaging a solar garden light. All you need is a deodorant stick, a solar light, and some silicone.

This is great for people who bike to work and park outside. Free renewable energy from the sun!

 
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Step 1Get yer bits together

Get yer bits together
Remove the left over deodorant bits from the stick. Pull out the screw mechanism which drives the deodorant up to your armpit.

Now you've got an empty chassis into which you can insert the battery and circuit board from your solar light.

Disassemble the solar light. It should just be a solar cell wired to a circuit board, and a battery pack.

Keep an eye out for the light sensor. A little cadmium cell that is usually somewhere near the solar panel. The cadmium cell acts as a switch, so the light turns on in darkness and stays off in light while the battery charges. I chose not to wire an on/off switch since the battery usually stays charged until at least midnight after a day in the sun and I wanted to keep this light simple.

You could wire in a switch (and use the spinny bit on the deodorant stick for a weatherproof switch actuator.) if you like late night (early morning) bike rides...


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8 comments
May 7, 2011. 9:58 AMdatalaforge says:
I like the idea for a bike. I usually find that I can see all that I need when riding at night here in Germany. I just need to be sure that cars and busses can see me!
Aug 29, 2009. 3:08 AMblack bike says:
I wonder if there is a way to get this setup to shine brighter with LED bulbs.
Sep 16, 2010. 4:49 AMbijikenyot says:
feels sorry because i cannot add new comment and cannot add pict easy as before, i have try FF and IE, and the result is same...

anyway, your project much better than mine...
check this out....

Lamp Light lantern by NOKIA
http://www.youtube.com/watch?v=3Sgmc7nS5JA
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http://img688.imageshack.us/i/snapshot20100916.jpg/
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http://img6.imageshack.us/i/snapshot201009161.jpg/
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http://img237.imageshack.us/i/snapshot201009162.jpg/

for the charger , i'm using auto OFF universal charger ....
Aug 30, 2009. 10:14 AMblack bike says:
Oh. The solar light already has LED bulbs?
Sep 3, 2009. 2:52 PMjosh1001 says:
thats cool
Jun 4, 2009. 5:00 AMpeacenique says:
The bike idea is swell, but I'm thinking little golden lights like that might be very sweet in the garden. Not to light the way for anything, simply to glow for interest/beauty. Good timing for me. I'm needing to buy deodorant today. I'll be sure to choose one that will give me that 'golden' glow! Thanks Bud!

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Author:sudhu_tewari