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Bash Reference Manual - Reference Documentation for Bash 4.4

“This text is a brief description of the features that are present in the Bash shell (version 4.4, 7 September 2016). Bash is the shell, or command language interpreter, for the gnu operating system. The name is an acronym …

Begging Robot

“We are going to make a begging robot. This robot will try to irritate or get attention of passing people.It will detect their faces and try to shoot lasers at them. The robot will need a arduino a live …

BlackBerry Launches Game Changing Cybersecurity Product: BlackBerry Jarvis

“In a keynote address at the North American International Automotive Show (NAIAS), BlackBerry Limited (NYSE: BB; TSX: BB) Executive Chairman and CEO, John Chen, today unveiled BlackBerry Jarvis, a transformational software cybersecurity product. BlackBerry is initially marketing this solution to …

Building Blocks to Create Metamaterials

“Engineers at Caltech and ETH Zürich in Switzerland have created a method to systematically design metamaterials using principles of quantum mechanics. Their work could pave the way for wider use of metamaterials in more mainstream applications by creating a purpose-driven …

Control Home Appliances Using Nodemcu And Blynk App

“In this tutorial,we are going to learn how to use Blynk app and NodeMCU (ESP8266) in order to control lamp(any other home appliances will be just fine),the combination will be through the internet. The purpose of this …

GNU/Linux Command-Line Tools Summary

“This document is an attempt to provide a summary of useful command−line tools available to a GNU/Linux based operating system, the tools listed are designed to benefit the majority of users and have being chosen at the authors …

Gps Forest Fire Alert System With Sim808 And Arduino Uno

“Hello that, in this post we will see how to make a forest fire detector system, with notification by text message, of the location of the accident, thanks to the integrated gps sim808 module, granted by the people of DFRobot …

Heltech Wifi Kit 32 Based Network Scanner

“After having difficulties with the Adafruit Feather ESP32 and static discharge sensitivity, I needed to find a suitable alternative for my previous, current and future ESP32 based projects. After testing a variety of ESP32 boards (none of which exhibited the …

Home Automation System Using Arduino And Hc-05 Bluetooth Module

“Hey Guys How You all doing! Today I am Here With My Second Arduino Instructable. It is A Bluetooth Controlled Home Automation System.You Can Conrol Your Home Appliances Just From Your Smartphone.All the things Works Perfect ! Also I …

How to Build Your Own Function Generator Using Analog Devices’ AD9833

“Learn how to make your own arbitrary waveform generator using an ATmega328p, a DDS function generator IC, an op-amp, a few passives, and some hard work. Having your own electronics laboratory at home is great—the only downside is that …