ESP8266 (ESP32) with Firebase realtime database: IoT Controlled RGB LEDs

This tutorial covers how to build an IoT controlled RGB LEDs (such a LEDs strip) using ESP32 or ESP8266 and Firebase. This is an interesting project because through it, it is possible to explore how to use IoT. Some years ago it was almost impossible to build an IoT controlled RGB LEDs, now, as you will see,...
Smart home project with ESP8266, Alexa and Amazon Echo

Smart home: ESP8266/ESP32 with Alexa and Amazon Echo

This tutorial describes how to build a smart home project using ESP8266 (or ESP32), Alexa and Amazon Echo. In more details, in this project, we will integrate ESP8266 with Alexa through Amazon Echo so that you can control devices connected to ESP8266 using Alexa voice commands. As a result of this project, you can turn on and...
Machine Learning Tensorflow Transfer Learning

Transfer Learning tutorial: (Retrain an Image classifier + Tensorflow)

This Transfer Learning tutorial describes how to use Transfer Learning to classify images using Tensorflow Machine Learning platform. This article wants to provide the solution to this problem: How to build an Image classifier using Tensorflow. How to train a CNN and build a custom image classifier using Transfer Learning Machine Learning overview and basic concepts about Transfer Learning In...
Julia language tutorial

Learning Julia: It’s All Fun and Games!

In this post I'm going to show you how to use Julia to build a game of Tic-Tac-Toe. Tic-Tac-Toe is traditionally played with pen and paper, by two players, on a 3x3 square grid. One player is X and the other player is O. They both take turns placing their tokens on any empty board cell. X starts the...

Hands-on Dark Web Analysis

Learn how to install Tor on Linux in this article by Sion Retzkin, director of customer success at Pcysys and an IT and security professional with over 20 years' experience in various technical and business roles. What is Tor? Tor (which is an acronym for The Onion Router) is a privacy focused network that hides your traffic, by routing it through multiple random servers...
recovering deleted data from an android device

Recovering Deleted Data from an Android Device

Learn how to recover deleted data from an Android device in this article by Oleg Skulkin, a senior digital forensic analyst at Group-IB, one of the global leaders in preventing and investigating high-tech crimes and online fraud. Data recovery is a powerful concept within digital forensics. It is the process of retrieving deleted data from a device or an SD card...
frtiz.ai machine learning

Machine Learning Android app [Fritz.ai]

This article describes how to develop a Machine Learning Android app using Fritz.ai. Before diving into the details about how to build a Machine learning Android app, it is useful to describe briefly what is Fritz.ai platform. As you may know, Machine Learning is an interesting topic that is gaining importance and promises to transform several areas...
power management iot

Device Power Management in IoT

One aspect to consider while developing an IoT project is the device power management. With the rise of Internet of Things, the optimization of the battery-operated devices is an important aspect that can make a difference. The Device Power Management in the IoT is a challenging task because a device could be always powered up and could...
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