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How to get FREE Atmel Chips
The popularity of the Arduino development platform has brought the world of micro controllers out of engineering labs, and onto the kitchen table or garage workbench. It has also made Atmel AT chips...
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Restore Batteries with Arduino
Do you have rechargeable batteries that aren't chargeable anymore? There are many possible reasons why a battery stops taking a charge, here are a couple of common ones. It may have been damaged by...
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Snail Mail Therapy
My mailbox, yet again, had gotten a little tipsy. So I decided an intervention was in order. I consulted some expert literature in the field to ensure that I provided care within the regulatory...
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120VAC High-Low Tool/Light Switch
A device for those moments when Mr. Scott is "Givin' you all she's got!" and all she's got is a little too much. This is a simple inline switched 120VAC outlet with a full power setting and a 50% power...
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Wireless Guitar Distortion with a Cordless Phone
With "land line" wired phone services making a graceful exit at stage right, I've accumulated an assortment of cordless phones. I've been mulling over ideas, and experimenting with ways to repurpose...
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ScrapPi - Upcycled Media Hub
Figured it was 'bout time I did something with the Raspberry Pi Gen 1 model B that I bought a couple of years ago. I decided to make a multimedia hub with it, and mostly re-purposed parts form other...
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Relays (DC): 99.9% Less Power & Latching Option
Relay switching is a fundamental element of electrical control systems. Dating back to at least 1833, early electromagnetic relays were developed for telegraphy systems. Prior to the invention of...
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Hail Pad Experiments
The current method that the CoCoRaHS project uses to monitor hail activity, the Hail Pad is a simple but effective way to record the size, number, and directionality of hail stones. Apparently the...
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Guitar to AV Receiver Interface
Have you ever wanted to amplify your electric guitar by plugging into an AV Receiver (home stereo)? Ever tried rigging up a 1/4" mono instrument plug to RCA patch cable? If so you most likely were...
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Restore Batteries with Arduino
Do you have rechargeable batteries that aren't chargeable anymore? There are many possible reasons why a battery stops taking a charge, here are a couple of common ones. It may have been damaged by...
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Upholstery & Carpet Cleaning - Tool & Tutorial
My first job, at 17 years of age, was working as a carpet and upholstery cleaning technician. During three years doing that work, I cleaned thousands of square feet of carpet and fabric. After...
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Light an LED With Dirt
This was an experiment that I had fun with! Perhaps you might find it fun to replicate?I've been intrigued by the so called "Earth Battery" for a long time. To be a true Earth Battery, rather than...
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Hidden Magnetic Door Bolt
A concealed sliding bolt for standard North American hollow core doors that is magnetically actuated.By: technovativeContinue Reading »
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