The Curmudgeoclast

Thoughts, projects, and ramblings of Dave Astels

Sun 15 October 2017

Feather M0 Express supersizing

Posted by dastels in project   

NOTE: This is based on the 2.x branch of circuitpython and doesn't yet work on the lastest from the master branch.

In my last post I described how I hacked a 2Mbyte SPI flash onto a Trinket M0 to give it the memory space for CircutiPython of one of …

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Sun 02 April 2017

SmartHome: Node Hardware

Posted by dastels in project   

Nodes are the metaphorical eyes, ears, and hands of the smarthome system. There will be many of them in a home. Even in my modest apartment I will probably have about a dozen. So they need to be unobtrusive, reliable, and fairly inexpensive.

I went through several progressively more refined …

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Sat 25 March 2017

Smarthome: Introduction

Posted by dastels in project   

Almost a year ago a friend and I started playing with the idea of building a smart home control system. Before getting too far I ended up back in Canada and the friendship dissolved, as they do. I, however, continued evolving my ideas and I now have what I think …

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Tue 06 September 2016

My first Arduino shield

Posted by dastels in project   

Arduino Uno is a nice, simple platform to hack on but has limited IO. The Arduino Mega2560 has a ton of IO but is bigger and more expensive. However, you're not stuck with an Arduino as it comes off the shelf. One really nice thing about the Arduino platform in …

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Sat 27 December 2014

Sun Type 3 Keyboard

Posted by dastels in project   

Once upon a time, far far away I was in working on my undergrad in a department that had a mix of equipment. They had a lab full of IBM PC clones running MS-DOS. These were mainly for the first couple years for Turbo Pascal work. What was really exciting …

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