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Mastering Embedded Linux, Part 1: Concepts

One of my favorite hobbies is hacking low-cost embedded systems that run Linux. These systems are absolutely everywhere: the combination of powerful yet inexpensive processors, mass production of consumer goods, and the flexibility of Linux means that hobbyists can buy or build an embedded device capable of running Linux, often for less than $10. I’ll […]

Electric Geek Transportation Systems

I’ve never thought of myself as a “car person”. The last new car I bought (and in fact, now that I think about it, the first new car I ever bought) was the quirky 1998 Ford Contour SVT. Since then we bought a VW station wagon in 2011 and a Honda minivan in 2012 for […]

Strobist: SLC-2L-08: Mexican Sodas | BTS 360

You do something long enough, you’ll eventually learn the little things you can do to help interesting stuff happen. One thing I have learned is this phrase: “I’m a photographer. What can I do to help you?” Just something as simple as that opens up all kinds of doors and possibilities. This week, it’s how […]

Reinventing the dial-up modem

While working on a healthcare app called Simple at my previous company, we wanted to improve how nurses follow up with their patients. The aim was to replace traditional paper registers + landline phones with the app, which could intelligently suggest patients who are potentially at risk based on their medical history, age, and other […]

T-962 Reflow Profile Calculator

I am the proud owner of a new-to-me Puhui T-962. This is a reflow oven that can be bought fairly cheaply, but because the manufacturer cuts corners in several places, you have to do several modifications to make it usable. The main thing I did was install the replacement firmware written by Unified Engineering, and […]