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.
What is DevOps
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…
Make your own Li-ion power bank
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…
Microphone pre amplifier using LM358
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…
Simple 2 minute Timer Circuit for your DIY
In this post, a simple timer circuit switch for light is designed that will turn on a high power LED for a particular duration. Timer is a switch that is operated by a timer system. The switch is turned on…
Testers – what value add we provide?
As a tester what value add we provide? To answer this we need to answer few questions like What is a business value of testing? What is cost of quality? Running tests by itself has no value add. Testing has…
How to connect 16*2 LCD display Arduino UNO
To Connect 16*2 LCD Display Arduino Uno we will use the previous project to capture temperature and display on console. Parts required for the project: Arduino IDE to program the code and upload OneWire and DallasTemperatre library for the Arduino…
How to Measure temperature with Arduino and DS18B20 sensor?
In this example project we will be combining an Arduino and DS18B20 sensor. The DS18B20 is also called 1-wire digital temperature sensor Arduino and DS18B20 Temperature Sensor The DS18B20 comes in different forms and shapes, so you have plenty of…