Photo Detector Circuit
This post contains the design and circuit of a simple photo detector or a simple circuit to detect light energy .This circuit can be used for various purposes like controlling street lights , detecting humans or opaque objects and can also be used to count numbers of items with some extra aided digital circuits. Photo Detector Circuit: The circuit diagram for the Photo Detector is given below: ( Click on the image to enlarge it ) The components used in the circuit are: 1> LDR. 2> Potentiometer, Value: 50 Kilo ohms 3>...
read moreHow to solve Unknown encoder ‘libmp3lame’ problem in linux.
Unknown encoder ‘libmp3lame’ problem: WinFF is a cross platform GUI for the command line video converter. WinFF is great to work with ; if you want to convert videos and musics from almost all format to any other format. I also tried converting a flac audio file to mp3 , so that I can use the file in my musics player. I tried converting the media from ubuntu 11.10 , But I got the following error: Unknown encoder ‘libmp3lame’ I tried researching the issue , and found that the MP3 encoder “libmp3lame” is not supported...
read moreReputation Management “for Dummies” Crash Course
If you have been the victim of a hoax report or some other false negative campaign, you might want to check your phone for taps and start watching your back for a “tail.” The old movie clichés immediately come to mind, but the assailant is typically operating in cyberspace. If this fact surprises you, you’re going to need a “Reputation Management for Dummies” crash course. Here are a few links you can start with to start learning more about how to fix online reputation problems: Lifehacker – For basic tips and...
read moreEnable and Disable USB Disks
For several reasons, you may want to prevent the access of Flash drives and USB drives into your computer. For example, to prevent copying of secure data’s or to prevent from malwares, which may come into the system through Flash drives. If you are waiting for an easy solution for controlling access of removable device then I have a solution for you. Wenovo USB Disk Access Manager is advance software for controlling the access of removable storage. There are three type of access on this application. 1. Allow Read Only: If this access feature...
read more[How To] change Windows 7 Boot screen
![[How To] change Windows 7 Boot screen](http://oscience.info/wp-content/uploads/change-windows-7-boot-screen.-184x184.png "[How To] change Windows 7 Boot screen")
Windows 7 Boot Loader is a program designed to update windows 7 boot animation and text. With the help of this software you can change windows 7 boot screen and text. You can create custom image and text with the help of this tool. Windows 7 Boot Loader is a portable program, so it shouldn’t be installed. You can just run the program and make necessary changes according to your choice and apply the settings. Windows 7 Boot Loader has various features in order to customize the appearance of Boot screen. You can select both animated and static...
read more[How To] Disable control panel
![[How To] Disable control panel](http://oscience.info/wp-content/uploads/Disabled-Control-Panel-184x134.jpg "[How To] Disable control panel")
The control panel is the most important part of Microsoft Operating system. Control panel allows users to control various factors like controlling hardware, adding and removing software’s, controlling user accounts, and changing accessibility options. Control panel is the most powerful utility on Windows. With the help of control panel user can make several important changes to their computer. Therefore, most of us want to restrict the use of control panel and its applets from others. If you want to disable control panel then follow...
read moreChange Windows 7 OEM information
With the help of Windows 7 OEM info Editor you can edit, create and even delete OEM information of your computer. You can even customize the system information such as logo, support URL, support phone number, manufacture’s name etc with the help of this tool. By editing OEM information you can give your customers an easy access to your contact and support site. This tool can also be used for deleting OME information available by some hardware manufactures. There are various registry tricks for changing OEM information but this tool is the...
read more[How To] Password protect any application
![[How To] Password protect any application](http://oscience.info/wp-content/uploads/password-protect-all-aplication-184x184.jpg "[How To] Password protect any application")
Do you want to password protect certain applications? If yes, than Game Protector can be a best tool for you. With the help of Game Protector you can lock applications like Instant Messengers, browsers, games, etc installed on your PC. Game protector can protect any application with a password and when user tries to execute application it asks for a password, so only authorized person can lunch it. Game protector is a freeware developed for Microsoft windows. This software is easy to use and has a user friendly interface. This software works...
read more[How To] Create Windows 7 Bootable USB Device
![[How To] Create Windows 7 Bootable USB Device](http://oscience.info/wp-content/themes/theprofessional/timthumb.php?src=http://oscience.info/wp-content/uploads/Windows-7-SBB-Tool.gif&h=184&w=184&zc=1)
USB bootable Operating system can be a good solution if you want to install an Operating system in a machine that doesn’t have optical drive, example netbooks and ultra-portable laptops. Installing Operating system through USB disk is faster than that of optical drives. There are various techniques of creating Windows 7 bootable USB disk. But they are quit lengthy and difficult. So, the method I am describing today can be a solution to all of these. You can create Windows 7 bootable USB disk in just a few simple steps. You don’t need extra...
read more[How To] Password protect Bookmarks on Firefox
![[How To] Password protect Bookmarks on Firefox](http://oscience.info/wp-content/uploads/password-protect-bookmark-184x184.jpg "[How To] Password protect Bookmarks on Firefox")
Do you want to password protect your bookmarks on Mozilla Firefox and don’t want to share with others using computer? This can happen, just by installing a plugin named Link Password on Firefox. With the help of this Firefox add-ons you can protect each links and bookmarks individually. This means that you can set different passwords on different bookmark. Steps for password protecting Bookmarks on Firefox are described below on step by step procedure: 1. Install and Enable Link Password. 2. After installation, restart your Firefox. 3. Right...
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