Retro Pie: Dead

I think I killed the pi zero running my retro pie. Yep, it’s dead. Good thing I got a ton of these 5 dollars pi zeros from Micro Center.

Retro Pie: v3 (or v4 or are we at v5 now?)

My 10 year old product owner demanded that a case be installed on his retro pie. Business case was that there is high likelihood of liquids or other particulates 10 year olds spew would get into his retro pie when he plays with it during after school. A related business case was that it was…

Pi2-D2 Gets Creepy

My Pi2-D2 can move its head, light up, play sounds and turn appliances on and off. It’s only natural for it to start seeing too. I took apart an old USB webcam from its case and mounted it on its head. Took a bit of elbow grease to poke a hole on that socket and…

Writing Enterprise Software the AWS way

We need to stop writing software like it was the 90s (which unfortunately we still do to this day). Let’s take agile to a new level by making software that is agile enough for business needs. The xp agile methodology requires that we have Communication, Simplicity, Feedback, Courage and Respect as the core principles when…

Kidsplained: How Digital Displays Work

Spent all night working on this so I can show my son how digital displays work. I explained how the led matrix works and how it makes graphics using 256 dots (8×32). I then explained that it’s the exact same concept that powers an iPhone’s display but that has 2 million more dots. 10 year…

Web API controllers, abstraction and unit testing

I’ve had a lot in my mind this cold winter morning so get ready for another rant fest. I’ve been looking for options on how to build a REST based, unit test friendly, cloud future ready (for my purposes, ASP.NET core ready) web API service. I know there is a plethora of options out there…

Portable Retro Pi Zero Prototype

RPI Zero W + TFT 2.2 inch screen + Old Logitech gamepad + USB sound card + 2500 mah battery. Can’t wait to bust this out on the train tomorrow 😂

Particle Photon Smart Watch Voice Transcription

Almost gave up on this one. Added electret mic amp to the build. Now this is where it gets complicated. Photon analog reads data from mic then I map it to 8 bit encoding. This is because the photon only has 12 bit analog pins. I wanted to use 16 bit audio to simplify the…