Hello everyone, how does the day find you ? However you answer that, your day is about to get brighter, though, because I’m here to initiate you to Unity GUI and user input basics. You see, user interface programming is actually the main reason I started using Unity : I’m an embedded […]

Unity Interactivity Basics


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Good day, comrades. Today we’re going to look at general purpose inputs and outputs, a.k.a. GPIO. GPIO are not only the simplest I/O peripheral there is, they are also vital to embedded systems designers. Very few devices out there can be operated without discrete digital signals. It could be an […]

ESP8266 GPIO Programming


Hello hackers and hacktresses, today we forge along with a list of FreeRTOS system calls. FreeRTOS has a ton of those, thankfully you don’t need to know them all in order to get sh…tuff done. For now I’m going to focus on what I consider the most useful calls for […]

FreeRTOS System Calls



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Salutations, dudes and dudettes ! For this fifth installment of my ESP8266 introductory series I will finally start explaining stuff about FreeRTOS. You’ve seen it come up here and there, a few words at a time, and now I feel I can’t delay this article any longer without people starting to […]

ESP8266 FreeRTOS Introduction


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The ESP8266 is actually very interesting as an MCU (microcontroller) even if you never need its WiFi interface. Seriously, where else are you going to find a 160 MHz 32-bit processor that costs less and doesn’t require advanced soldering skills and equipment ? But WiFi is one of those things […]

ESP8266 Networking Basics


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Good news everyone ! Here’s another ESP8266 article ! Today we’re laying the foundations for your future embedded software projects by creating a template, an empty project that will feature what we need to directly start coding useful programs : a real-time OS and a network stack. What do I […]

ESP8266 Template Project



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Greetings ladies and gentlemen ! Welcome to episode two of my introductory series in ESP8266 programming. Today we’re doing the embedded systems’ equivalent of “Hello World” : blinking an LED. If you’re new to embedded systems programming you might be wondering what’s so interesting about blinking an LED. Well, precisely […]

ESP8266 LED Blink


Once more into the breach, my magnificent bastards ! Today we take our Hello World Unity application and deploy it to two different targets. That may sound militaristic as sh… hell but it’s actually how software engineers like to say “today we compile our program so it can run on different […]

Unity : Building Apps


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Hello everyone ! Another glorious day of hacking is upon us. Today we’re hacking into the ESP8266 WiFi microcontroller. If you’re visiting my website, chances are you’ve already seen that funny little bugger on the left. Yeah, that here is an ESP8266 module. I’m guessing you’ve even bought a few, because […]

ESP8266 Bare Metal Programming



Hello again my glorious friends ! Today we push on with Unity and do what no one has done before, ever : we program an application that displays “Hello World” on a computer screen. How amazing is that ? While I consider you the best and brightest people on the […]

Unity Hello World


Hello honored guests. For my first series of technical articles I will be introducing you to the Unity game engine… as a general programming tool. Get used to it, here at Nefastor Online we don’t believe that things should only be used for their intended purpose. Over the course of a […]

Unity for General Programming


Nefastor Online is the Internet HQ of one Jean Roch, engineer, poet, lover, man, myth, legend, gifted with a dry sense of humor according to people who might be joking about his having a sense of humor. That’s me, the handsome devil in the cartoon picture. Nefastor Online is dedicated […]

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