Programming

Introduction If you know what a Yubikey is, you may skip this section. Yubikey is quite expensive device that acts as a portable GPG key, it is considered secure because once the private GPG key is on the device, it can’t be extracted again (unless someone finds a way). You can import your own generated GPG keys or generate a new key-pair directly on Yubikey. Yubikey can do a lot more than holding a GPG key, It can do two-factor authentications with sites like Google, Github or Dropbox....

Cover Photo by Matan Segev from PexelsCover Recently, I purchased a NodeMCU from AliExpress for about $4. The reason I did this was to find out what all the fuss is about with ESP8266. NodeMCU is an open source IoT platform. It includes firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module. Source: ESP8266 Datasheet Compared to the Arduino UNO, my ESP8266 totally knocks it out of the park when it comes to CPU power and price....