Electronics

Light Sensor using Arduino

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Introduction In this project, a simple light sensor is designed using LDR. The project is built around Arduino. Components required Arduino UNO Light Dependent Resistor (LDR) 100 KΩ POT Buzzer Circuit Diagram Working A 100 KΩ POT and the LDR form a voltage divider and the output of the voltage divider is given to the […]

Electronics

What is Omega 2 Board?

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Omega 2 board is the development boards from Onion. It comes packed with built-in Wi-Fi and on-board flash storage. You do not have to worry about buying Wi-Fi dongles or installing operating system images onto external SD cards. Using the Omega2 is just like using a desktop computer. It has built simple and intuitive apps  […]

Software Testing

UI Automation using Appium and WinAppDriver

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Introduction to Appium Appium is an open source cross platform test automation framework for use with native, hybrid and mobile web apps. It drives iOS, Android, and Windows apps using the WebDriver protocol. Platforms supported are:  iOS Android Windows FirefoxOS Step 1: Installing Appium in Windows machine Install latest nodejs from https://nodejs.org/en/ Open command prompt and […]

How-To

How to install Linux on Windows 10 machine?

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Introduction This blog will show you how to install Linux on Windows 10 machine without dual boot option and partitioning your hard drive. In this method we will be using a software called Virtualbox from Oracle. It will allow you to run other operating systems on top of your current OS.  You can use any […]

Software Testing

How to Measure DevOps Success?

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How do you measure DevOps success ? You may not know if you are achieving success with your DevOps implementation unless you measure it and also manage it continuously to keep the key performance indicators (KPI) in right balance. Following are the few KPIs that help in measure DevOps success. KPI 1 Quality KPI 2 Speed KPI […]

Software Testing

What is DevOps

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What is DevOps? DevOps is a term used to refer a set of practices that emphasize the collaboration and communication of software developers and Information technology(IT) professional while automating the process of software delivery and infrastructure changes. It aims at establishing a culture and environment where building. Testing and releasing software  can happen at a […]

Electronics

Make your own Li-ion power bank

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Introduction There are many ways to make a Li-ion power bank. We will here use 3.7v Li-ion rechargeable battery and few other modules. You can purchase the battery from ebay or Aliexpress or extract from your old laptop battery. This power bank can be used for charging smartphones. What all you need ? Following are the […]

Electronics

Microphone pre amplifier using LM358

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Pre amplifier using LM358 Components LM358 R1 – 10k R2 – 47k R3 – 10k R4 – 10k 1M POT C1 -4.7 μf C2 – 10 μf This is a simple mic pre amplifier using LM358. The circuit is self explanatory and is based on LM358 op-amp. The main function of a pre amplifier is to amplify […]