Earlier this year we were quite excited to receive an invitation from a friend to give a talk at the All Things Open conference, here in Raleigh. They had added a new track on Hardware/IoT and thought our experience might be a great fit. So, after a lot of writing, planning, and practice, we are pleased to present our talk: Open Hardware for Fun And Profit.

Enjoy!

The ESP8266 Arduino package provides a great and familiar to use ecosystem for developing code on the chip. However, most examples for WiFi network connection and management involve building and uploading new code every time you want to change the network settings. That’s just more than should be required if you want to simply connect an existing and complete project to a new network.

A forthcoming project in which we plan to use a large number of the Adafruit ESP8266 Feather boards for was going to be far to cumbersome to manage if we had to upload new code not only to change the WiFi network but to set static IPs. That would just not be acceptable and we had to find a better option.

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Git is awesome. It’s not just open source, but in the last few years, with the help of sites like GitHub, it has cemented itself as the source control software for open source. At Maniacal Labs we use it for everything and the same goes at my day job with Red Hat. At the latter, I’ve found myself having to use the “push –force” option a lot recently due to some oddities with the way our code review process works (that’s a much longer post for another time) and of course the joke about it being a “force push”, as in Star Wars, came up a lot.

So, when I already happened to be looking into how to automate a few things with Git hooks recently I came up with a silly little hook that runs whenever you “force push” code up to the repo server. So, now, whenever I force push, I get a little message from Darth Vader himself:

forcepush

Checkout the full git hook code with install instructions over on GitHub