DIY Solar Charge Controller

solar ctrl
 

Build a solar charge controller with a few simple components.

 

 

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Sound Activated Camera Control Revisited

 
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Another look at a sound activated camera trigger.

 

 

 

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Automobile under the hood inspection

 

I wrote this article for an automotive technology class I took in 2005. It is basically a visual guide showing how to inspect your vehicle "under-the-hood" to make sure things are running smoothly.

 

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Make a Camera Cable Release From an Old Cellphone Headset

   

 How to make an inexpensive SLR camera cable release using an old cellphone headset .

 

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Controlling your SLR Camera from an Ipod

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 How to control your camera shutter release from your Ipod (r) or other MP3 player.

 

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