Tag Archives: Microcontroller

Recommended Microcontroller

Maker Faire 2007 Zedomax USB Portal Preview

video://www.youtube.com/watch?v=xkyEe7ysh9Y

Here’s a preview of our USB Portal Project we will be showcasing at Maker Faire 2007.

It’s basically a BASIC programmable USB device so you can connect embedded devices easily to your PC whether that be a video game, industrial application, or whatever that you can think of.

Check out our previous

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DIY LINUX HACK – XEYES

If you use Linux, you know Xeyes is a simple program that follows your mouse movements. You can check out some web examples of Xeyes. You can even paste this javascript code on your website for Xeyes on the web.

Anyway, Hunz created physical Xeyes that stands on his w

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DIY Circuit HACK – How to build An inexpensive Hall effect Gaussmeter!

video://www.youtube.com/watch?v=GawsyqOlvG8

Oh, check out this cool DIY on how to build an inexpensive Hall Effect Gaussmeter!  If you don’t want to build one, you can always buy a gaussmeter here.

Have you ever wanted to find out how strong a magnet really was, or how the strength of the magnetic field varied as you changed the distance from the magnet or the temperature of the magnet, or how well a shield placed

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Electric Giraff, Submarine maker, and more at Maker Faire!

Check out some of the cool stuff and people that are going to be at the Maker Faire! (Including us but we have no idea what to bring…yet)

We will get to play with an electric giraff (hopefully) and meet with submarine maker Mike Wernecke.

You can get some

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DIY HACK – AVR Ethernet Weather Station

Wow, check out this cool AVR ethernet weather station!

My original plan was to have sensors for temperature, air pressure and wind. I started a prototype and it worked very well except for the wind measurement part. I have written a separate article about it: wind-vane-ver01.shtml. I plan to improve the wind measurement hardware and add it at a

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The Top 5 Engineering Magazines

Here’s a good list of magazines that should help you get a feel for the engineering industry including application, products, and just for the hell of it. (It’s also the ones we subscribe to regularly…)

(Click on the magazine to go to their homepage)

Make has bunch of cool projects including the DIY coffee roaster among other cool stuff… They have a

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DIY HACK – Double the battery life

Check out this howto on doubling your battery life by replacing a linear voltage regulator (the thing that converts DC voltage, e.g. from 12V to 5V) to a switching regulator. Switching regulators are way more efficient than your typical off-the-shelve crappy regulators such as 7805 which get too hot too fast. Get the Dimension Engineering regulators here. This howto could easily be appl

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DIY HACK – RFID Door Lock with a Basic Stamp!

video://www.youtube.com/watch?v=AcYHag236hM

Here’s a really cool project using RFID to simulate a door lock or identification system of some sort.

The design is fairly straight forward, a custom circuit board links the BASIC Stamp to the RFID reader, and is powered by 12v. When a valid card is recognised, it provides 12v output to a door strike, and buzzer for 3 seconds. When an invalid card is recognised, it pulses 12v to a buzzer only for 250 milliseconds 3 times in a row (see below

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HACK – Window shade also acts as a solar powered Window Light!

Wow, check out this awesome window shade that also acts as a solar powered light!

This is a continuation of a project from Design for the 5 Senses that I worked on with Michael Jefferson and Jae In Lee. It’s a window shade that doubles as a light. One set of strings would be to control the level of sunlight by adjusting the height of the shade. The other set of strings controls the light level. I didn’t have time to add a solar

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DIY HACK – How to run an AVR MCU on a battery made out of lime!

Here’s a cool little DIY on how to run an AVR MCU on battery made out of lime!

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

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