Wednesday, October 2, 2013

Roll Your Own Anonymizing Tor Proxy with a Raspberry Pi

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As a stay-at-home dad, what could I do to earn a little side money?

As a stay-at-home dad, what could I do to earn a little side money? LifehackerHackerspaceDeadspinGawkerGizmodoio9JalopnikJezebelKotakuLifehackerPSSearch LifehackerSeIILogin(function(d, s, id) {var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) return;js = d.createElement(s); = id;js.src = "//";fjs.parentNode.insertBefore(js, fjs);}(document, 'script', 'facebook-jssdk'));
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Resistor Color Code Calculator with Arduino

IMAG0785.jpgThis is a 4 band Mechanical Color Code Resistor Calculator, The idea of making this Mechanical Resistor came when I accidentally dropped my box of resistors and all resistors (1300 of them) got mixed up. ooops! . Thank god there's an APP  for that, So while picking them up (the resistors) and soaring them out I was thinking, how cool would it be to have a big resistor that you can actually manually rotate the bands and get the resistor value right away.  If you are into electronics and you are really passionate about it like me, you're always looking for projects and challenges to take on all the time. So, with that idea and a vision in mind I started working  on my new project, of course  with the help of Arduino UNO microcontroller.
There are 4 small stepper motors , 4 stepper motor drivers, 4 10K potentiometers and 2 Arduino UNO on a breadboard. As you turn the potentiometer,  the motors rotate displaying a color and a value at the same time.
IMAG0773.jpgSP = ,  YD = , J = , HP = Home Depot
At Mega 328p with arduino UNO boot loader                    
5v Voltage Regulator 7805-T   
LED  (2 red ) and (2 green)   
resistor 1/4 w, 10k and 180 ohms  
Radial Capacitor 10uf 50v   
Ceramic Capacitor disc 22pf 50v  
ceramic Capacitor disc 0.1uf 50v  
Tantalum Capacitor 10uf 25v   
16Mhz Crystal low-profile   
Pushbutton switch, off/on   
Stepper Motor with driver board                                        (YD)
Blue LED light                                                                   (YD)
Panel mount LED holder 5mm                                          (YD)
DPDT On /OFF switch                                                      (YD)
10k small Potentiometer                                                    (YD)
10k Potentiometer chicken head Knob                              (SP)
9v Battery holder (Pack of two)                                         (YD)
9v Battery                                                                          (YD)
6v, AA Battery case                                                          (YD)   
AA Battery (pack of 4)                                                       (YD)
40pin flat cable female ends                                             (YD)  
Breadboard jumper kit                                                       (YD)
Breadboard 16cm with power and Grd busses                 (YD)
Breadboard 8cm with power and Grd busses                  (YD)
Mini Digital Voltmeter 0-30v dc (red)                                (YD)
Hook-up wire, solid (black, Red & Green)                        (SP)
solder tube .031 Inch Dia.                                                 (SP)
Liquid Tape 4FL. OZ                                                        (HD)
Servo Mounts                                                                   (SP)
Screw-Phillips head (1/2", 4-40, 10-pack)                       (SP)
Nut metal (4-40, 10-pack)                                               (SP)
wood screws #6 x 3/4" pan head Phillips                 (HD)
11/32", 2' x 2' Plywood sheet                                    (HD)
MINWAX wood finish stain (provincial 211)             (HD)  
Primer spray paint                                                    (HD)
Gold spray paint                                                       (HD)
1/8" Plexiglas 11" x 14"                                             (HD)    
Compressed wood                                                   (HD)
Narrow utility hinges 1"                                            (HD)
1/2" x 2' PVC pipe                                                     (HD)
1/2" PVC 90* elbow                                                  (HD)
1/2" PVC coupling                                                      (HD)
2" PVC pipe Blocker                                                  (HD)
2" x 2' PVC pipe                                                        (HD)
3" PVC pipe Blocker                                                   (HD)
3" x 2' PVC pipe                                                         (HD)
Nailed metal bridging                                                  (HD)
4" (10cm) Cable Ties                                                   (HD)

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Cute Bead Pendant in a Jiffy

Hi y'all!

I’ll be showing you how to make a cute beaded pendant. It’s pretty easy to make this adorable little pendant in just a few minutes. So here we go. Hope you like it…

Things you'll need: 

• Five round beads (any color you like)
• Plastic thread (I took a 15cm  long thread for this pendant)
• One metal hoop/ring (an old hoop earring would work just fine as well!)
• One smaller plastic or metal hoop/ring
• A pair of scissors
• A chain to wear the pendant on

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LCD Coffee Table

IMG_2579.jpgHave an extra LCD monitor laying around? I think most of us have upgraded their screen or TV at some point to a larger one and have their old one collecting dust. If you have the space, why not put it to good use and create a coffee table with a built in LCD screen?

- Stream anything from Mac OS or iOS with an Apple TV! (Airplay mirroring)

- Use it as a fully functioning PC! (with a bluetooth keyboard and mouse)

- Control your table from your tablet or phone! (with LogMeIn)

- Turn things on or off using an app on your phone or a small remote! (with Belkin WeMo or a remote power strip)

I have always wanted to do this, and when I got a 27 inch monitor for cheap, I decided to browse YouTube for some ideas. ( ) The best one I found I decided to build, and here is the result!

*EDITOR NOTE*: I'm waiting on the glass to be cut. As soon as I have it on, I'm posting the new picture! :D

      I've got a lot of comments on my photos, be sure the check them all out!

IMG_2513.jpgCareful when taking apart any TV or LCD panel!! I cannot stress this enough! Disassemble the plastic housing around the TV or LCD panel. Don't worry if you need to chip the plastic or break some buttons, just make sure that you don't have to fiddle with a remote or pressing of any buttons to get the TV or LCD to recognize your input device. Min was a TV, so I tested hooking up a PC, a Mac, and an Apple TV to test the three ports (HDMI, VGA, and DVI) to make sure I didn't have to fiddle with any buttons for the TV to turn on and recognize my source.

If you can't get around the pushing of a button to turn something on, think about a switch. I suggest using the wireless Belkin Switch Memo for ease of use and price.   ( )

Once the TV or LCD panel has been disassembled, think about getting a plank of wood. My parents had this piece sitting around, but if you are getting a piece from Lowe's or Home Depot, think about the thickness of the wood, the finish, and the durability. We're going to be using screws for the assembly, and you don't want something cracking or splitting. Also think about the finished look, do you want to keep it fresh or stain it? Paint it maybe? Think about it before you buy. 

Next, think about the wood. My parents had this piece laying around, but if you're going to buy a slab, think about the thickness, the finish, and the quality of the wood. Remember, we're using screws, we don't want to split the wood. Think about the finish. Do you want to paint it? Stain it? Keep it fresh looking? Also, take into account the kerf, or the thickness of the blade, when you cut. Get a pice of wood with some extra length, don' get it exactly the right dimensions. Cutting wood to the same dimensions -> ( link ) 

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Trying my hand at: Mold Making and Casting with Silicone RTV [Pittsburgh Tech Shop]

2013-06-13 21.11.00.jpgToday at the Pittsburgh Tech Shop, I took a class in mold making and casting. This is a great technique for making multiple copies of a piece out of resin. It's used in sculpting, prop making, special effects makeup, and many more applications. This Instructable is the documentation of the class in which I found a piece to copy from the part bins available at the TechShop, cast a mold out of silicone, and filled the mold with resin.

I will discuss the process of casting beginning with choosing a piece to cast, making the mold, and casting a piece from the mold.

More information about the Pittsburgh TechShop can be found at

I made it at TechShop!

2013-06-13 18.25.27.jpgIf you have a silicone mold already available to you, the casting process does not take very long. If you're starting by making the mold, however, be prepared to wait at least two hours for the mold to cure. Be sure you have the following before beginning:

Time: at least 2 hours for a small project
-latex or rubber gloves
-utility knife
-4 paper cups for measuring
-2 paper cups for mixing
-paper or plastic cup to hold the silicone
-hot glue gun
-wooden mixers (popsicle sticks)
-something to mold
-silicone RTV
-urethane liquid plastic resin
-Ease Release agent

You should coat the surface that you're working on in a disposable material to catch any spills. It would also be a good idea to have paper towels on hand to clean up messes. 

Necessary materials can be purchased from websites such as

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