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    Software Architect vs Software Engineer – Which Are You?

    by Douglas Tober July 29, 2021

    What Does a Software Architect Do? Software Architect is a role that does not necessarily rank above the role of Software Engineer. However, it does require a great deal of experience and technical knowledge. For this reason, it’s common for a Tech Lead or Senior…

    Architecture, Tech News 0

    Monitoring Temperature and Humidity with Arduino and MQTT (ESP32)

    by Douglas Tober December 20, 2020

    Background This is a quick tutorial for beginners – using ESP32 & DHT11 to collect sensor data and publish it using MQTT. Mobile and server apps can subscribe to the temperature and humidity data from the DHT11. In a future tutorial, I’ll be showing how…

    Architecture, Raspberry Pi 2
    mqtt iot featured image

    MQTT Overview: Simple Protocol for IoT and Messaging

    by Douglas Tober December 18, 2020

    What is MQTT? MQTT is an extremely lightweight protocol that allows for messaging over TCP. It is optimized to handle an insane number of connected clients and increases messaging stability over spotty networks. Although MQTT has been around since 1999, the popularity of the protocol…

    Architecture, Raspberry Pi 1

    How to Start JAR file as Service Raspberry Pi 4

    by Douglas Tober October 13, 2019

    Summary You already have a Java project and have an executable JAR/WAR file. Now, you want to develop an application that uses the Web Services bundled in your JAR/WAR file. In an effort to keep your development environment tidy it makes sense to run your…

    Architecture, Raspberry Pi 0
    raspberry pi kafka image

    Apache Kafka on Raspberry Pi 4 (4GB)

    by Douglas Tober October 12, 2019

    Summary What can you do with a Raspberry Pi? Well, what if I told you that your budget computer could be a high-performance, fault tolerant, stream processing, messaging system that you can leverage while learning to develop distributed applications? Good news, it’s true! The latest…

    Architecture, Raspberry Pi 2

    How to complicate your distributed architecture with a Message Queue

    by Douglas Tober September 20, 2019

    Overview Finally! You get to build a new system from scratch! Now is your chance to amaze your peers. Show them how much you know about: Distributed, Resilient, Functional, Scalable architecture; did I forget a buzzword? With the proper use-case, timeline and budget any system…

    Architecture 0
    featured_before_building_web_api

    Consider Before You Code – Web API

    by Douglas Tober August 27, 2019

    Overview: You have an idea for a project or an existing project in progress and it’s time to build a web API; do you know where to start?  The following article outlines the initial topics to consider before coding a new Web API. Above all,…

    Architecture 0
    developer

    3 Types of API every Developer needs to know

    by Douglas Tober August 24, 2019

    Overview: Regardless of specialization, it’s inevitable that as a developer or project owner you will need to leverage an API at one point or another.  An API is shorthand for Application Programming Interface. Although many types of API exist, the core focus of this article…

    Architecture 1
    client/server architecture image

    Craft: Intro to 3-tier Architecture

    by Douglas Tober August 21, 2019

    Overview: It’s time to design your application! Whether or not you know how to write code, the real question is: how do you fit together all the pieces of the puzzle? In developer jargon you might call this a “stack”. In this guide we will…

    Architecture 0

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