Tag Archives: Educational

Recommended Educational

DIY Linux DoS HACK – HOWTO Limit your the max number of TCP connections to your Web Server!

I have been reading the following book called, Linux Server Hacks, which shows you many ways you can hack your Linux server so your server doesn’t die.

This actually works since we just had a DoS attack about 5 minutes ago. (It seems like we are getting more and more DoS attacks these days. You can refer to the

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Google SketchUp for Dummies book!

OOhh.. check out this Google SketchUp for Dummies book. It might be the perfect free 3D tool you were looking for last month.

Remember when your high school English teacher explained that every word in the sentences you write needs to carry some meaning? While the rest of us missed that point, Aidan Cho

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DIY HACK – HOW TO Control an Arduino remotely with your browser!


This is kinda cool way to control an LCD hooked up to Ardunino with browsers including your mobile phone.

In conclusion, this code may be pretty ragged, but the concept is what is important and it should be enough to get you started. You obviously can’t do anything too intense with this. It could be used to do some simple but cool things though such as controlling your house from your cell phone, or feeding your dog or cat over the internet, etc. Once again, pleas

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LEGO NXT Fireworks Robot


Cool, someone made a Lego NXT Fireworks Robot!

This autonomous NXT robot will light multiple fireworks in a sequence – while the family sits back and watch the display!!

It uses a MINDSTORMS NXT, two light sensors (one for navigation and other to detect a lighted fuse) and an Ultrasonic detector (to adjust the torch arm height depending on the height of the fireworks fuse wire. It uses three motors – two for motion and and the third for the torch arm elvator.

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DIY HACK – HOWTO make some sounds with Arduino!


So, you want to make some sounds with the Arduino you just bought last Friday? Check out uCHobby as they show you how to do some basic stuff with sound and Arduino including how to make “Hello World” sound using a PC speaker.

This is the second in a series of articles about generating sound with an Arduino. The first article covered the various methods available for sound generation with an Arduino. I

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DIY HACK – HOWTO make a Christmas Tree Projector!

If you ever need to prepare for Christmas this year and you DON’T want to bring a real Christmas tree into your house, you can prepare yourself right by making one of theses Christmas Tree Projectors! (Warning, your cat or dog might think it’s real…)

This device, projects an image of a Christmas tree onto the wall. The size of the image ranges from only a few inches to about 5 feet depending on how far aw

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DIY HACK – HOWTO hack an industrial sewing machine!

Looks like Lady Ladyada hacked an industrial sewing machine. Definitely check it out.

Unlike little portables which turn on the DC motor when the foot-lever is pressed, industrials use a clutch motor. The motor is running the moment you turn it on, and when the foot-lever is pressed, it moves the clutch towards the motor, engaging it. This means higher torque when you turn it on, thus getting rid of the frustrating “have to help the machine al

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3-Axis servo motor drawing “HackADay”


Here’s the video if you can’t see it.  (some kinda YouTube bug…yes blame it on the big company)

Cool, check out this awesome 3-Axis servo motor drawing “HackADay”. You can get the board for really cheap from this guy.

The preprogrammed AVR microcontroller must be purchased directly from Uli Huber. We do not carry the chips.

Please include $

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DIY HACK – HOWTO make your own 360 panoramic photo-bot


Wow, check out this instructable on HOWTO make your own 360 degrees panoramic photo-bot!

this is my 360 panoramic photo robot, the idea is shooting in 360 degrees in the smaller time as possible without errors, take the panoramic in a hard conditions and fun!.

this project i take a 1 month and i am implementing improvements, and i use parts of bad cd-roms and hard disk drives.

i hope that it serves to construct your

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DIY HACK – HOWTO convert an Arduino into AVR chip programming hardware for use with AVRDude

Into AVR chip programming? Check out how you can convert an Arduino into an AVR chip programming hardware for use with AVRDude!

By the way, AVR is microcontrollers from Atmel. Check out AVRFreaks for good AVR info.

(Thanks David for the tip! 🙂

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