Category Archives: DIY

Instruction articles about DIYs (Do It Yourself)

DIY LED World Control Panel Kim Jong Il Would Want!

diy-led-world-control-panel

Want to dominate the world?  Check out this nifty DIY World Control panel that lets you control the world(sorta) with its special buttons.

This could be great toy for your growing-up James Bond and communist toddlers.

My son Harlan and his friend love to play “agents” and he asked me if we coud build “a panel that has a bunch of switches that turn on some random lights”. We worked on it for about 3 weeks, and this is what we came up with.

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How to Make a Router Traffic Counter!

router-traffic-counter

Here’s a fun way to display how much traffic your router is serving by hacking OpenWRT by adding a bit of code.

(For those of you who don’t know, OpenWRT is an open-source aftermarket operating system for routers that you can install to your router to customize it.  There’s also DD-WRT, which is similar.  I’ve personally got DD-

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Arduino Hack – How to Make an I2C Sniffer!

i2c-sniffer-arduino

I2C is a great way to connect multiple devices for simple networking communication.  Of course, because I2C is not encrypted, others can easily read the info by using an I2C sniffer.

If you want to make such an I2C sniffer, there’s a great guide with source code for Arduino but come to think of it, I can’t really think of any uses for this right now(I know it will hit me after I write this blog post) but it can help you learn more about Arduino and I2C. (

You can adjust the capture windo

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How to Make a Simple Touch Sensor Controller!

diy-touch-controller

I used to deal with many touch controllers but they cost way too much money as it comes with a touchscreen and all the shebang. Well, if you want to make a dead, simple touch-sensor controller, perhaps for your latest backyard project, there’s a bunch of low-cost chips you can use now, and here’s a great example you can follow with video demo below:

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How to Make DIY RFID tag with Duct Tape! [RedNeck]

duct-tape-rfid

You know how duct tape can solve a lot of everyday problems including an airplane wing, and here’s another way to apply duct tape to roll your own RFID tag with a bunch of wires.

It ain’t pretty but gets the job done and the RFID read range is on par with commercial RFID tags, unbelievable.

It’s ugly, and I really want to try this experiment over again with a smaller IC

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How To Solder! [Free E-Book]

how-to-solder

Personally, I never took any classes to learn how to solder, I’ve been doing it since I was 7 years old.   Well, I didn’t have steady hands back then but overtime, my hand has gotten steadier also I know a few tricks here and there.

One of those steady-hand tricks is to use your pinky finger as base, so make sure your pinky finger is touching the ground while you solder if you want steadier hands.

Other than that, you just need to get the hang of using “just the right amount” of solder and your soldering iron is at the right temperature.  The

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DIY Disco LED Lights!

disco-led-lights

Imagine your livingroom/playroom filled with LED lights and animated LED shelving.

Now imagine it syncing with your favorite music and you can have a small group dance party!

The shelves and ceiling have a refresh rate of 30Hz and can generate over 30 thousand colors per pixel. A pixel is a single shelf or can light in this case. Not bad for a few bucks and hours of spare time. Best part, Both the shelves and ceiling consume less than 50 Watts when fully lit. And less than 10 on

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DIY Smartphone Dot Matrix Printer!

diy-smartphone-dot-matrix-printer

I still remember the first printer I had back in 1989, it was “color” dot-matrix printer, top-of-the-line and cost me(or my dad) couple hundred bucks. It was so cool to see bunch of MS-DOS text printed in color, those were the days you rejoiced because you had 256 different colors and printing one page took only a minute.

Well, here’s a cool DIY project to remind you of that, a DIY smartphone dot-matrix printer (sorta) that you have to hold manually. Actually it’s more li

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Bacon DIY – How to Make Bacon Oil Candle!

diy-bacon-oil-candle

I know many of you swear by everything bacon, including bacon hot sauce (I covered the launch at Swagapalooza btw, see video here).

Well, did you know you can make Bacon-powered candle simply by melting all the fat from bacon then use it!  Also, this bacon oil candle will surely make your whole house smell like it’s breakfast time all day, which I love by

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LED DIY – How to Make an Animated LED Brick Wall!

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Here’s just a simply awesome LED DIY project you can do for your home and impress your friends, learn how to make an animated LED brick wall! This system uses Arduino, I2C protocol, and PC application to control it. This would be wonderful if you could control it with your Android phone.

The total of 121 BlinkM’s are divided into 2 blocks: 1 block of 6 horizontal ‘strands’, and 1 block of 5 horizontal ‘str

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