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.
In my old post I have mentioned how to install OS in raspberry pi using NOBS. The steps are not very simple. From them and now the installation method has become much simpler with different tools. In this post we…
Checking Raspberry Pi Revision Number & Board Version Each Raspberry pi variant has different revision number. Below table lists the variant available now. Model and PCB Revision RAM Revision Pi Revision Code from cpuinfo Model B Rev 1 256MB 0002 Model…
Matrix style keypads with Arduino is very handy and easy to use for any input required. It can be used to enter passwords, control games and robots. What is needed Arduino UNO Keypad 4*4 ( you can also use 4*3 keypad…
Why do you need Selenium Grid setup for remote execution? Scenario1 – You need to run your selenium automation tests with different browser/OS combinationScenario2 – You need to run selenium tests in parallel across different or same browsers….. There can…
In this article I am going to calculate distance using HC-SR04 and raspberry pi. The HC-SR04 Ultrasonic sensor that I am going to use here has four pins: Ground (GND) Echo Pulse Output (ECHO) Trigger Pulse Input (TRIG) and 5V…
In this post I will show you how you can use Google sheets for stock analysis. Only prerequisite is you need to have a google account and some basic spreadsheet knowledge. Here are step by step approach to build Google…
Year 2021 started with a hope but ended with despair. When 2020 was ending we thought new year will bring some good and pandemic will end soon but it became worse and before we event though of another new year…
In the previous post we have seen how we can use A9G GPS/GSM/GPRS pudding board using a serial debugging tool and list of AT commands that we can use it. In this post we will see how we can use…
What is A9G GPS/GPRS board? A9G GPS/GSM/GPRS pudding board is a complete quad-band GSM/GPRS+GPRS/GPS module. This module supports the basic phone voice call/SMS, serial to GPRS and GPS data transmission functions, which can be used in a wide range of…