Showing posts with label How To Make. Show all posts
Showing posts with label How To Make. Show all posts

How to make Simple USB Tester

This is Simple USB polarity and information action tester
This is quite simple to make circuit ..


Steps by Images







How to Test.....

Green LED ON          >>Polarity OK
Red LED ON              >>Polarity Reversed
Blue LED FLICKERS >>DATA Port OK

NO LED ON PORT DEAD OR DISCONNECTED




©2012, Copyright Raju's Tech World

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How to find your and your friends Facebook User ID

How to find your and your friends Facebook User ID, a few years ago you could look for the URL to your information image to get your Facebook ID. But Facebook modified that, and individuals who modified their login name (http://www.facebook.com/USERNAME) can't discover their ID. So I have this little technique. Its really simple. Enjoy it =)

Now that you have your sign in name, you will see your ID! Just go to http://graph.facebook.com/USERNAME  and you should see something like the image. You can examine my own at http://graph.facebook.com/kathirirajan



©2012, Copyright Raju's Tech World

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How to make chat messanger with control prompt

Hi everyone these days I will explain to you how to create messanger with the help of cmd
Step 1 :
Open Notepad and type below code.....

@echo off
:A
Cls
echo MESSENGER
set /p n=User:
set /p m=Message:
net send %n% %m%
Pause
Goto A


and then save the code as "Messenger.bat" and close the Notepad

Step 2 :
when you execute which is u created Messenger.bat it will start the control prompt


after "User" create the ip of your laptop or computer you want to contact and then press enter.


©2012, Copyright Raju's Tech World

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How to turn textual content to sound using notepad

This publish will show you how turn the feedback text-to-speech using Microsoft’s integrated conversation application by publishing it using note pad.T his is a really easy note pad modify. Its very fun. Just adhere to the given guidelines and you will be able to do what the headline says.
Step 1: Open Notepad
Go to your start menu and open notepad or Type "notepad" in run window

Step 2 : Copy and paste the code below
Dim msg, sapi
msg=InputBox("Enter your text for conversion–www.rajustechworld.blogspot.com","Raju;s Tech World Text-To-Audio Converter")
Set sapi=CreateObject("sapi.spvoice")
sapi.Speak msg


Step 3 : Save the file
save the file as audio.vbs or any other extention with .vbs

Step 4 : Run the Saved file
Run it and get into the textual content and pay attention to the changed conversation.


©2012, Copyright Raju's Tech World

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PCB Driller Do It Yourself

In this step i am going to demonstrate you how to create pcb circuit.



Step 1 Materials may required



  • Soldering iron
  • Old pen
  • Some wires
  • Motor
  • Super glue
  • Drill bit












Step 2
Out the product from pen and get this part

 Step 3
Put this aspect on the motor and then stick it.
Step 4
Then solder the cable connections to motor.

 Step 5


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Do It Yourself Beating Heart LED

I created this excellent looking defeating center.. Suddenly designed near the valentine day. .The system has 20 LED`S that flash at a components specified amount. As opposed to the traditional strategy of using micro-controllers i though using a easy 555 Minutter would be excellent ..adding to it ..it would shorten the style and create it less cuber-some for those who either have no understanding or do not want to spend collecting the same.

Step 1 Tools May required :
Things that are required:
  • 1 x NE555 Timer 
  • 2 x 10k Resistances
  • 1 x 100uF Electrolytic Capacitor (25V)
  • 1 x 10uF Electrolytic Capacitor (25V)
  • 1 x 9V Battery / 3 x CR2032 Li-ion
  • 1 x Through hole board
  • 1 x 9V Battery connector
  • 1 x  IC Base (8 pin)
  • 1 x  Push Switch ( to avoid ur heart beats in front of everyone:D)
  • 20 x  "identical" Red LED ( Identical is the catch in here.. as if they are sourced differently u might end up having uneven brightness..which will be disappointing) 
Wires as required..( it goes to like " Salt to taste")\
And lastly  "Spare Time"

Other Things that might be available at hobbyists are:
soldering Iron, Solder, Flux, Tweezers, wire cutters, Helping Hands ( Clamp tool)and hot glue gun.


Step 2 Circuit Details :
Now that u have products..lets discover out what actually is this-
NE555 is the most general of all electronic timers . Its provide variety is 5V To 15V ( We are relaxed with 9V..).Its result present from datasheet is about 200mA which is enough to travel those 20 LED`s of my own..
Using an on the outside packaged routine it can be used to choose time a particular pin goes higher or low( Thats known as Timimg).


Step 3 Construction :

After you have pre-prototyped it ..you need to do the following elements..
1. To create the center look a heart( specifically for individuals with bad drawing as mine) please sketch a center on the non imprinted aspect of the PCB using a lasting marking and then continue in resting the LED`s.. 
2. Since LED`S are circular they are ought to go by the range as they can be placed with the two feet either up and down or aspect.
3. Solder the feet and level the good ones.
4. Then video the feet.( Thats the interesting part)
5. When you are done..solder the IC Platform.



Now that you have soldered it will..Its time for the unpleasant factor..
CONNECT ALL RANDOMLY ORIENTED +ve Hooks together.
 and all -ve together.
You might have to create some typical argument somewhere and other variations.
At the end of the training do analyze the +ve and -ve devices with a a continual specialist and say "crap" if the beep appears to be.C


You will end up with something like this.


After all`s well..put hot stick gun to further strengthen the electrical wiring..( That`s optional)


Then solder the elements as in the routine given previously.
BEWARE- Do not be connected the +ve of the power provide supply to the LED.. Becoz thats what we have 555 for!




Step 5 Final :




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Do It YourSelf Telephone Intercom Device

This Picture Instructable reveals how to use two old mobile phone devices as a inexpensive intercom between Factor A and Factor B.  Might be useful between the home and the store, between the treehouse and the ft, between your children's locations, etc.








This was initially build for my grade-school ladies to talk to each other on the phone between their bed rooms.

Basically it is a two-jack phone wall structure menu customized to act as the linking point for two expansion mobile phone devices.  The menu relationships the two 'lines' together and resources energy.  Two mobile phone devices are linked with their specific ports.  Taking the mobile phone devices 'off hook' will allow the power supply power to energy the routine and you can carry on a discussion.

The power supply power are linked in sequence to provide 18V to energy the mobile phone devices.  The power supply is not that great as I remember, so it may be beneficial to examine using an old notebook computer plug-in energy to energy it.  I understand that some very old mobile phone devices may have polarity understanding so if the routine does not work try treating the power supply relationship to the wall structure ports.

The schematic reveals the relationships.  Don't forget the 300 ohm resistor as proven.  A call buzzer or light could be included with additional elements and electrical wiring to make the build more useful -- but for two pre-teens between bed rooms this was adequate.



©2012, Copyright Raju's Tech World

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How to make a notepad as "DIARY"

This instructable will explain to you how to create your very own individual key record in note pad in 3 easy actions.


Step 1 Open Notepad :
Go to you start menu and open notepad or press Ctrl+R and type "notepad" without quotes and press enter

Step 2 Copy and paste :
Type ".LOG"  (in capital letters without quotes) and Press enter.

Step 3 Save the file :
Save the file as DIARY or anything and anywhere you like



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USB LED Light by using Supercapacitor

For those who never observed about supercapacitor, you can examine for more information and facts about supercapacitor here. Supercapacitor is generally a capacitor with very higher potential, and the potential score is normally around few Farads. With the “super” potential, it generally can shop a lot of cost, and I am going to use the “super” potential to shop expenses for a 5mm LED. We will see how lengthy will the 5mm LED last.


Step 1 Tools May required :
The elements you will need for this project is generally a supercapacitor (I am using 5.5V 0.1F supercapacitor which I purchased from Farnell), a Light LED, a 1K Ohm resistor and a USB men plug (I get this from an damaged pendrive).
Step 2 Supercapacitor Polarity :
Make sure you know the polarity of the supercapacitor, or refer to its datasheet
Step 3 Soldering :
The first phase is to cut the 2nd and 3rd pin of the USB men plug, we will need only the 1st and 4th pin (5V and 0V pin).


Then solder the adverse pin of the supercapacitor to the 4th (0V) pin of the USB men plug.


Now, try to hook up the optimistic pin of the supercapacitor to the 1st pin (5V). For the relationship I am using a resistor leg.




Next, hook up the optimistic pin of the Light LED to the 1st pin (5V) of the USB men plug.


Finally, hook up a 1K resistor from the adverse pin of Light LED to the 4th pin (0V) of the USB men plug.



Step 4 Schematic :
Please examine the plan below for the finish schematic. You are actually totally able to use greater Farad supercapacitor, but current score must be bigger or similar to 5V, and you can have your innovative way to hook up all the elements together.


Step 5 Testing :
Now, connect it to your pc for around 10-30 a few moments to cost up the supercapacitor.


You should see the Lighting LED switched on (if it does not switched on, there are some error in the connection), then after 10-30 second, you can remove it and you should have around 10 moments of the LED gentle.





©2012, Copyright Raju's Tech World

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How to make Cooler for wireless network router and prevent it from slowing down

It's an Steps showing you How to make Cooler for wireless network router and prevent it from slowing down
I used the computer’s fan cool the wireless wireless fan, attach and will use the same power source of wireless (wireless on any wireless OFF fan fan OFF)


Perhaps you will ask why should cool the router my wireless network?
The answer is: cooling the router are avoiding slowing down (especially while downloading large files) because if you are using the router too (such as the downloading of large files may notice that seeing LED in router) will get hot, and you know that electronic devices will not be effective if it is not working in the right temperature.



Step 1 Tools May required :
To make this project you will need:

  • Fan (I used Desktop pc 's fan).
  • Male jack that is similar to your wireless network jack (I found it in the old adapter).
  • Similar to your jack wireless female Jack.
  • Some glue.
  • You will need soldiers some wires.


Step 2 Connecting wires :
As you can see it in the peak of pine centre in the Jack is the (+) and the other is the (-)
The Red wire in the fan center PIN in the female jack (+) and the black wire to connect the other pin (s)
Now you need the male connector with the fan in parallel (as shown in the pic)
In my case, a male jack two wires inside the other. (+) Wire, is in the middle (the wire) and the wire (s) (the outer wire) is surrounded by (+) wire. Separation of the two wires and connect them to the right pin
I don , forget to protect them so it won  't be brief (I used the glue gun)


Step 3 Final Setup :
Make sure that the power source is the fan on the router (in my case it  15 V and 12 V fan, wireless), it would not be exactly the same.


now connect the router's plug for our female jack, fan starts and you should pay attention to which side of the fan is sucking and which side is blowing.


Side blow for the wireless glue (glue in a side which has many hols)


This is the  Time to  Try


I hope you have enjoyed this Post, if you like it please do it and share the photos.









©2012, Copyright Raju's Tech World

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