LED Driver using 7805 and LM317
LED Driver using 7805 The 7805 can be converted into a content-current device by connecting a resistor as shown below. As the 12v rises from 0v, the 7805 starts to work and when the input voltage is 4v, the…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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How to Turn Off Auto Update in Google Chrome
Google Chrome on Windows auto update itself on a regular basis. The auto-updating procedure is performed by Google Update. Auto-updated provide fixes to sometimes critical issues. At times during testing you may not want to update your browser. The test…
Selenium WebDriver – 5 Minute Getting Started Guide
Selenium 2.0 is commonly called as Selenium WebDriver as it is integrated with WebDriver API. WebDriver is designed to provide a simple and concise programming interface in addition to addressing some limitations in the Selenium-RC API. Selenium WebDriver support dynamic…
Distributed testing in Jmeter
You have reached the limit of one machine while doing your load testing and now want to distribute your load from different machines. In Jmeter it is commonly called as distributed load testing or remote testing. Distributed testing or remote…
Wifi security tips
How will you make sure that your home wifi setting is is secure? Below are few home wifi security setting and tips which will make your wifi connection more secure. Change the default Administrator Password and user names – At the…
How to upgrade to Linux Mint 15
Linux Mint 15 RC is out. If you are using Mint 14 and want to move to new version you can follow the steps below. Waring: It is not recommended method and should be followed only at your own risks. Recommended method of…
Delay in receiving email – Where is the problem?
The other day, someone asked me why my client received an email late? He had sent the email in the morning but was delivered in the evening. He asked me to look in to the system date/time settings. I tried…
JMeter Tuning Tips
Context You require to do Load test that requires thousands of thread. How will you configure JMeter so that JMeter performs well without any issues? Issues that you normally encounter with JMeter when using large number of threads are Out…
SQL Injection
SQL injection is a technique often used to attack data driven applications. This is done by including portions of SQL statements in an entry field in an attempt to get the website to pass a newly formed SQL command to…
Security testing tips
This post is in continuation of my earlier post on security testing. Before I move into details of security testing here are few tips for beginners and some browser add-on that can help in security testing. Security testing tips:-…