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.
Remote controlling Raspberry Pi using SSH Enable SSH in raspberry pi using the command raspi-config From window machine use putty to connect to Raspberry Pi From Linux Machine or Mac use terminal to connect eg: ssh pi@xxx.xxx.xxx.xxx Remote controlling Raspberry…
A 7 segment display is typically used to display numbers from 0-9. It consists of 7 bar segments and a dot( 8 Segments). Segments are numbered A to F and DP for the dot or decimal place. There are 2 types…
What is risk ? Risk is an uncertain event or condition that, if it occurs, has an effect on at least one objective. or The probability of something happening multiplied by the resulting cost or benefit if it does. (This…
Pair Testing Pair testing is another example of test pattern. Context Pair testing is a way of approaching a test design process by having two people test the same time and place continuously. The dynamics of pairing enables the generation…
The Raspberry Pi Model B+ is a credit-card sized computer board that’s up and running when a keyboard, mouse, display, PSU and SD card with installed OS are added. It’s a miniature ARM-based PC which can run many of the…
Scenario Testing Scenario testing is one of the example of Test Patterns Context The objective of scenario testing is to prove that the program will fail when asked to do real work ( significant tasks) by an experienced user. A…
__CSVRead() function The CSVRead function returns a string from a CSV file. When a filename is first encountered, the file is opened and read into an internal array. If a blank line is detected, this is treated as end of…
Automate UI Testing using Instruments An instrument is a powerful tool that can be used to automate UI testing. Instruments can also be used to collect data about the performance and behavior of one or more processes on the system…
LM2578A can be used to make Buck and Boost regulator. Buck or step down regulator Vin = 15V Vo = 5V Io = 350 mA Parts Lists R1 = 40 kΩ R2 = 10 kΩ R3 = 0.15Ω C1…
Buck or step down regulator Boost or step up regulator You can use the above circuit drive series of LED and make an LED driver circuit using this.