NEO-6M is GPS module that allows to get raw GPS data in NMEA format. The raw data needs to parsed to obtain GPS information such as location coordinates (latitude and...
Monthly Archives: February 2021
This post presents circuit of an electronic piano which produces 5 tones. Circuit consists of the 5 push-buttons and when one of them is pressed, it produces the different tone...
This post presents circuit which generates the Tick-Tick sound through the speaker. Circuit is based on 555 timer which works in astable mode to produce a square wave output. This...
The ps_mem is a command line tool that enables to check the RAM usage for a programs. This tool calculates the amount of RAM (private memory + shared memory) being...
SHA-512/224 is a truncated version of SHA-512. Algorithm is the same as SHA-512 but differs initial hash values (IVs) and final result is truncated to 224 bits to match the...
The bmon is a command line tool that allows to monitor network bandwidth. This tool can listen to the network traffic on multiple interfaces at the same time. Bandwidth usage...
A rootkit is a type of malware that is used to enable unauthorized access to a system. The chkrootkit is a command line tool that scans system in order to...
The hwinfo is a command line tool that can be used to get details about various hardware components on a system. It provides information about CPU, RAM, disks, network interfaces...
Reading and analyzing the log files in white text on a black background can be difficult and take a lot of time. Colorized log files is one of the solutions...
There are many devices and microcontrollers which requires a 3.3V DC power supply for proper operation. This post presents circuit of 5-15V to 3.3V converter using LD1117V33 voltage regulator. This...