3D Printed Baby Grogu (Baby Yoda)
Early last year, I went in search for a Baby Yoda 3D model that I could use for a concrete mold project and came across a beauty from Mariano Rey. After a lot of trial and error (and money spent on...
View Article3D Printed LED Bridge Lamp
Because most of my work is done in my basement, I’ve struggled quite a bit finding an adequate light source. Hands-on, detailed work, like electronics or painting, has always been an awkard exercise....
View ArticleDigital Audio with the DFPlayer
My oldest daughter and I recently built one of Mr. Baddeley’s Baby R2s. These units are small, almost cartoonish, radio-controlled R2D2s that are extremely easy to build. And fun! But something missing...
View ArticleRadio Controllers with Arduinos
In the previous article, I introduced my need to add sound capabilities to a radio-controlled robot project that I had been working on with my daughter. I focused on the DFPlayer as a potential...
View ArticleRadio Controlled Audio with Arduino
In the first article of this series, I spent some time looking at the DFPlayer – a small, affordable MP3 playback device. I demonstrated how it can be connected to an Arduino and driven over a serial...
View ArticleDecibels and dB SPL
(Note: This is a slightly modified excerpt of Chapter 1 from a book I’ve been working on entitled “Digital Audio for C++ Programmers.”) The decibel is perhaps one of the most confusing and...
View ArticleBuilding a LO-LA Night Light
When Droid Division released their 3D model of LO-LA from the Obi-Wan series last year, I immediately knew I wanted to build a night light for my kids. The following video shows how I did it. Links of...
View ArticleThe Bath Tub in the Woods
I grew up in a rural area outside a small coal-mining town in eastern Kentucky. My childhood home was nestled in a little valley formed where three mountains met. The house itself sat on maybe 2 acres,...
View ArticleR2 Build Update
I’ve been absolutely terrible about keeping my R2 build log up to date. So I thought I’d take a minute to share where my R2 build is at today. Here’s a very short video that’ll give you a peek into the...
View ArticleBack To Basics: The Ring Buffer
If you’ve been writing software for very long, you’ve likely encountered the humble ring buffer. Ring buffers are everywhere . They appear in code for audio engines, network stacks, kernel drivers,...
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