Real Time Operating Systems Real time operating systems are designed for real time applications that need to accomplish a certain tasks with as little OS overhead as possible. Tasks like reading the sensors and displaying data. You could write an infinite while loop to accomplish that but things will get complicated once you have multiple … Continue reading A quick look at some Embedded Operating Systems
Embedded
BLE CTF: How to flash the ESP32
Hello! If you want to do Hackgnar's BLE CTF but you've been struggling with flashing the ESP worry not! I have created a vagrant developer environment just for this. The environment can be found here: https://github.com/dnutiu/esp32-dev-env To use it you need to have Vagrant and VirtualBox installed. After you got those installed, clone the repo … Continue reading BLE CTF: How to flash the ESP32
How to use MFRC522 with Arduino
I wanted to explore the magic of RFID and I bought a simple card reader from Banggood which allows me to read and write 13.56MHz cards. The reader comes with one id tag and one card and it can be used to implement projects like a door security system or a payment system. The card … Continue reading How to use MFRC522 with Arduino
How to run your own OpenVPN server on a Raspberry PI
My Raspberry, serving as an OpenVPN server Hello everyone! In this short article I will explain how to setup your own VPN (Virtual Private Network) server on a Raspberry PI with OpenVPN. After we setup the server, we will setup an obfuscation server in order to disguise our traffic indicating that we’re using a VPN. This … Continue reading How to run your own OpenVPN server on a Raspberry PI
