Tag Archives: mcu

Some of the fruit and vegetables we eat can be used to make electricity. The electrolytes in many fruit and vegetables, together with electrodes made of various metals can be used to make primary cells. One of the most easily available vegetable, the ubiquitous lemon can be used to make a fruit cell together with copper and zinc electrodes. The terminal voltage produced by such a cell is about 0.9V. Th

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DIY HACK PROJECT – Audio Spectrum using an Atmel AVR MCU!

Posted on March 20, 2007 by max

video://www.youtube.com/watch?v=2gKk_hcp8Vw

Wow, check out this cool audio spectrum analyzer you can make using an Atmel AVR MCU! Well, I’ve always wanted to make one of these but finally found it at HackedGadgets!

This is an experimental work to monitor a spectrum pattern in radio band, and is a continuous project from Audio Spectrum Monitor. To analyze the spectrum of an input s

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DIY HACK – How to build your own laptop!

Posted on March 13, 2007 by max

Here’s a cool DIY on how to build your own laptop using a microcontroller and an LCD. Well we should really call it, “MCU Laptop” but it’s a great exercise for anyone learning computer hardware.

Ever thought to yourself, “Hey, I could probably build my own computer if I really tried.” Or maybe, “Man, I really need a laptop with an embarrassingly low-resolution display, a processor that goes at 256 Instructions/sec, and I’ve

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DIY HACK – Voltmeter Ammeter LCD

Posted on February 21, 2007 by max

Check out voltmeter and ammeter LCD panel you can make using an Atmel8 MCU. Tight!

This multimeter was designed to measure output voltage and current in a PSU, where the current sense shunt resistor is connected in series with load at the negative voltage rail. It needs only one supply voltage that can be acquired from main PSU. An additional function of the multimeter is that it can control (s

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Make Daisy MP3 Made! Touchscreen Desktop MP3 hack coming soon…

Posted on January 30, 2007 by max

video://blip.tv/file/get/Zedomax-MakeDaisyMP3PlayerReview303

So we made the MP3 player and it works freakin’ great! The sound quality was as good as an off-the-shelf MP3s. We plan to hack it using a CuTOUCH CT1720 and make some cool touchscreen menus for it.

Here’s some pictures of how it will fit in the touchscreen enclosure: (It fit perfectly!)

The only hurdle we face now is changing the firmware of the MP3 player a littl

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DIY HACK – “Propeller Clock” Mechanically Scanned LED Clock

Posted on December 28, 2006 by max

Cool propeller clock you can make!

How this clock works: A motor spins the “propeller”, and a small microprocessor keeps track of time and changes the pattern on seven LEDs with exact timing to simulate a 7 by 30 array of LEDs. It is an illusion, but it works nicely.

If you want to build this clock, you will need a few things, including: Skill with motors and mechanical things. Prior electronic experience. A dead VCR or floppy drive or other source of a suitable motor and miscel

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Choice of On-board camera for embedded apps : CMU Cam

Posted on November 27, 2006 by max

You gotta check out CMUcam if you haven’t yet. It can be controlled via a serial communications to processors such as PIC, CUBLOC, Basic Stamp, Make Controller, and etc…

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