Internet facing services are under constant attack. They are a coveted resource that provide footing when exploited. It’s prudent to not loose control of your services to abuse. One way to do this is to enable two factor authentication, commonly known as 2FA. Traditional authentication is based on what you know, a user name and a password. With 2FA, the second factor of authentication is what you have, a number token. In this post I’ll be covering how to setup…
Ideas and thoughts are shared with people through speech, text, or some other form of communication. This is how one knows, or at least has some idea of, what the other is thinking. Electronic devices are similar. Without communication, devices and people would be isolated in the cosmos. Like language, devices use sets of standards and protocols to accomplish communication. In this post, I’ll introduce briefly parallel communication. Next I’ll be covering the most fundamental communication methods of serial communication. …
RPi Dashcam Here’s a step by step using raspivid, super simple. RPi Bluetooth and WiFi I found it much easier to just use a USB adapter Edimax EW-7811Un, these instructions make it look easier than what I experienced with Adafruits “Ourlink” adapters. I think my new AP doesn’t support the Ourlink band, so I had a sourlink. Here’s one from Plugable. BLE Revisited Bluetooth basic tutorial – from Sparkfun BC118 BLE Mate 2 Hookup Guide – from Sparkfun…don’t get too…