FNTK Hardware Engineering Insights

Your Fitbit isn’t working right because the software is out of date. I see this all the time. People complain about battery drain or steps that don’t match reality. Then I ask when they last updated their device. Most can’t remember. Here’s the thing: updates fix bugs, improve accuracy, and add features you’re missing out […]

I’ve been building and studying payment hardware for years, and most people have no idea what’s actually happening when they tap their card. You swipe, tap, or insert. Money moves. But what’s between those two moments? That’s where it gets interesting. Most articles about electronic payment devices just list the gadgets. They skip the engineering.