An LED chaser, also called as sequenter is one of the most common LED controlling circuit. This post presents circuit of the 3 LED chaser. The LEDs blinks one by...
This post presents circuit for blinking two LEDs alternatively. Circuit is based on 555 timer which is used in astable mode. In this mode the output is generated in the...
The exa is a command line tool that displays a list of files and directories, and provides detailed information about them. The exa can be used as an alternative to...
The PATH is an environment variable that contains a colon-delimited list of directories that tells where to search for executable files. The has is a Bash script that allows to...
JSON is a text-based data format that is widely used to store or exchange data between systems. The jq is a command line based JSON processor that allows to transform...
Ranger is a command line based file manager which provides a way to navigate directories, preview file content, open a file with editor, and other features. Ranger allows to navigate...
TShark is a command line tool that enables to analyze the network traffic. It allows to capture packets from a network and print them to the standard output. TShark is...
Neofetch is a command line tool that displays system information such as operating system, kernel, uptime, CPU, memory, etc. Neofetch is written using Bash command language and supports many different...
Redis is an in-memory key-value data structure store that often used as a database, cache, and message broker. Redis is an open-source project that available under the 3-clause BSD license...
The htop is a command line tool that allows to monitor system resources and running processes. This tool shows a summary of system information such as CPU and RAM usage...