Category Archives: Circuits

Collection of circuits, schematics, etc…etc…
stuff to help you get through your apps

How to Make a $4 Solar Battery Charger!

For those of you with who live in California or where there’s a lot of sun, you might want to save some money on batteries by making this nifty solar battery charger for $4. Pretty cool idea using tupperware and all.

via instructables

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How to Make a DIY Ping Pong LED Clock!

Here’s a great way to build a giant LED clock without the use of additional LEDs but by using ping pong balls as light extenders.

This is a super-accurate clock That uses ping-pong balls as diffusers for LEDs, but with a little know-how you can turn this into a full marquee display. Join me after break where I’ll share the details of the project and give you everything you need to know to build your own.

via hackedgadgets,

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DIY Polish “Word” Clock!

Have you ever thought what would be like to read your regular clock but in words without circles but left to right like reading a book? That’s exactly what this Polish guy did, a DIY Polish “word” clock. Certainly a new way of reading the time.

via hackedgadgets, Project Page

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How to Make Your Own DIY Shuffle!

For those of you who want to make your own DIY Apple Shuffle like device, here’s some free instructions and schematics that could help you jumpstart the new project.

This player features a shuffle mode, basic track navigation, volume control, FAT32 support, fragmented file support, an unlimited number of files on the root directory, and high quality playback. Files at 256Kbps can be played without a hitch. Variable bitrate files are supported with peaks up to 320Kbps.

WAV files are also supported, but they have to be less than CD quality unless you put a faster o

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Christmas DIY HOWTOs!

Around every Christmas, Zedomax.com gets a load of visitors from people trying to build computer-controlled Christmas lights, LED Christmas tree, and also Christmas LED Wreath, all which I built back in 2006.

Well, those were probably best of my works and roots of Zedomax.com, here it is again for your viewing pleasure and Happy early Christmas!  Oh yeah, don’t forget to check out my new site ChristmasSale2010.com for the best Christmas coupons and deals.

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Flash DIY – How to Make DIY Ring Flash for DSLR!

I’ve always wanted to make my own Ring Flash for my DSLR because the retail versions are just outrageously expensive.  Well, for those of you who want to tackle the problem, take a look at this guy’s ring flash project with custom-machined ring.

You can also pick up a cheap Ring Flash at Amazon here.

via hackaday,

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LED DIY – How to Make an RGB LED Tetris Game!

For those of you interested in making your own custom DIY RGB LED Tetris game, take a look at the work done by Stanislav Ponomarev, pretty darn impressive.  I have always thought of putting one of these in my future coffee tables so my guests can enjoy some retro-gaming while they relax.

Principle of operation is quite simple. Up-counter is responsible for keeping track of which row is currently being shown, 4-to-16 decoder converts 4-bit binary number from up-counter into 16 different lines. The decoder I have outputs LOW for the current input value, so I had to pass all 16

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How to Make LED Embroidery!

The folks at Craftzine has an awesome video tutorial on how to make LED embroidery for those of you trying to mix LEDs with your latest embroidery.

This picture of a frog catching fireflies is embellished with lights that bring the bugs to life. Conductive thread is the magic ingredient, bridging the gap between rigid metal and soft floss. To make a stitched scene light up, combine t

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Guitar Hack – How to Build a Servo-electric Single String Guitar!

For those of you who are interested in building your servo-electric guitars, take a look at this awesome single-string servo-electric guitar using Arduino and servo motors.

A guitar string synthesizer driven by a midi channel to play a rock version of the Japanese folk song Sakura (with background midi accompaniment). The design is described in more detail at the servoelectricguitar

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Laser DIY – How to Build a Laser Listening Device!

We’ve all watched too many spy movies in our life probably and know what you can do with lasers, such as listening to conversations miles away.  Well, it’s actually possible to do that (for those of you who don’t know) and here’s a guy who built one himself.

The idea is that sound from someone speaking will vibrate the window that is in the same room as them. If you bounce a laser beam from a 5mW laser module off the window the laser beam will be deflected slightly as the window vibrates. If you monitor this vibration you will be able to hear what is

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