How-To

How to Install Linux Bash shell on Windows 10

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Latest windows update allows you to have a full Ubuntu-based Bash shell. This allows you to run the Bash shell and the exact same binaries that you would normally run on Ubuntu Linux. To get started with bash make sure you are using correct version of Windows. We would need Windows 10 creators update and […]

Electronics

Seven segment display counter

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A seven segment display is typically used to display numbers from 0-9. It consists of 7 bar segments and a dot( 8 Segments). They are numbered A to F and DP for the dot or decimal place. There are 2 types of 7 Segment display Common anode Common cathode   Seven Segments are labelled as below. […]

Electronics

Plus/minus supply using LMC7660

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LM 7660 is a CMOS voltage convertor capable of converting a positive voltage in the range of +1.5 v – 10 v to the corresponding negative voltage of -1.5v to -10v using very few external components. Below is the schematic diagram for the same. We can use this get +/-5v from different sources like from […]

Electronics

Bicycle USB Charger

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This circuit has been developed to add a USB charging port to a bicycle for charging a mobile phone. The input supply for the circuit is produced by a dynamo (6V, 3W dynamo) in the bicycle. The circuit is based on LM2596-5.0. It is a 3A step down voltage regulator. LM 2596 are available in […]

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 […]