Raspberry Pi – Chad Dotson

Raspberry Pi 3 Mini Cluster

By chad June 11, 2016Raspberry Pi, TechnologyNo Comments

I recently constructed a mini cluster consisting of 3 Raspberry Pi 3s. I am planning on using these machines for various little projects. I've installed some services on one of the nodes. Currently that node hosts Redis and RabbitMQ instances. I'm sure that I'll have other services to install in…

Raspberry Pi 7" Touchscreen Unboxing and Thoughts

By chad February 21, 2016Raspberry PiNo Comments

This week I ordered and received the official Raspberry 7" touchscreen ($60). I've been tinkering with some ideas for it (some car based projects) and wanted it on hand to try out. Opening the Box The screen is packaged and presented really well. It comes with all that you need…

Hardware vs Software – A Realization

By chad February 21, 2015Arduino, Raspberry Pi, TechnologyNo Comments

I spent some time over the past year tinkering with Arduinos and Raspberry Pis and had a bit of a realization: Hardware circuit components are simply the syntax for creating physical devices. As a software person, putting hardware into that context has really given it a lot of meaning.

DSLR Lightning Trigger

By chad September 7, 2014Arduino, Hobbies, Photography, Programming, Raspberry Pi, Software Engineering, Technology8 Comments

Lightning I use my Nikon D5000 to take a lot of lightning photos. This one to the right is a composite of several taken during a storm that produced a good amount of of photogenic lightning a few years back. The photos that make up this one and many of…

Comparing Node.js and Python on the Raspberry PI

By chad August 25, 2014Key Concepts, Programming, Raspberry Pi, Software Engineering8 Comments

Programming on the Raspberry Pi Python seems to be the more popular language for writing programs on the Raspberry Pi. However, it is far from the only language: Python, C, C++, Java, and Ruby are some that are automatically supported out of the box. As it turns out Node.js is…

My First Raspberry Pi Project

By chad December 28, 2013Featured, Hobbies, Neat Stuff, Raspberry PiNo Comments

Almost every year, I try to select a fun project to do while off for Christmas. This year the project I selected was based on Raspberry Pi. Specifically I decided to build a device that would, when motion is detected, find the range to the motion using an ultrasonic rangefinder,…