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 | Nov 14, 2018 | Android, APPideas Lights, Apps, Arduino, CNC, Code, DIY, Electronics, Instructables, iOS, Open Source, React Native
My previous Instructable, making custom Printed Circuit Boards on a CNC Router (Instructables link), was pretty cool. It even won second prize in the Instructables Tips & Tricks Challenge (link). This new one puts that knowledge to practical use and creates a WiFi...
by costmo | Nov 6, 2018 | Android, APPideas Lights, Apps, Arduino, CNC, Code, DIY, Electronics, Instructables, iOS, React Native, Tech Talk
About a month ago, I wrote an article on Instructables.com that goes step-by-step through the process of creating a custom Printed Circuit Board (PCB) on a CNC router. The post was very popular, and it was selected as a finalist in the site’s Electronics Tips...
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 | Feb 5, 2014 | Apps, iOS, TimeLogger
Statistics can tell you a great deal about your work. How many people use my products? How do they use them? Are there places where people get stuck? What are the features that get the most end-user attention, and therefore require the most development effort to make...
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...
