by costmo | Jan 5, 2019 | Android, APPideas Lights, Apps, Arduino, CNC, Code, DIY, Electronics, Instructables, iOS, Open Source, React Native, Tech Talk
This post provides access to all of the resources you will need to build a WiFi controller for LED light strips. I’ve written about the controller on social media and posted full build instructions at Instructables.com. My goal with this post is to combine all...
by costmo | Dec 17, 2018 | APPideas Lights, Apps, Arduino, CNC, DIY, Electronics, Instructables, Open Source
This article is about the origin of the “Backlit Signs” project that was published to Instructables.com. The first section covers the personal story behind the signs, then I talk more about the specific signs that were prepared for the write-up. If you...
by costmo | Nov 2, 2018 | Android, APPideas Lights, Apps, Arduino, CNC, Code, DIY, Electronics, General, Instructables, iOS, Open Source, React Native, Tech Talk
Over the past few months, I’ve been working on a series of articles to publish on Instructables.com. The first went step-by-step through the process of making a custom Printed Circuit Board using a CNC router (Instructables link). The second article shows you...
by costmo | Jan 20, 2014 | Code, iOS, Tech Talk
I was searching for a way to get an MD5 or SHA1 checksum of a file in Objective-C for an iOS app. I found lots of solutions for getting the checksum of a string, but nothing for files. The solution was pretty simple, but I had to piece together information from a few...
by costmo | Jan 11, 2014 | Code, Pebble, Tech Talk
We’re getting more and more excited now that the release of version 2.0 of the Pebble smartwatch software is drawing near. Truth be told, we’ve been hard at work for a good part of the Summer, Fall and Winter getting ready for this time (click here to see...