RFC

So we've mentioned this a few times already but we're finally getting around to installing a Raspberry Pi in the shop. The plan is to do some data logging so at some point there will be sensors-- possibilities include temp (ambient and/or espresso machine), wind speed, flowmeter, orientation, humidity, and so forth. We will probably install one or more of the following for the Pi to control as well: LEDs, piezo or audio thingies, motors, solenoids, &c. We don't have anything specific planned but we welcome your thoughts and suggestions.

So here's the thing-- we thought it would be fun to issue accounts to people that would like them. If you think you might be one of those people let us know (via form below or twitter/instagram or email or in person or whatever) and we'll create one for you. You'll have access to the same sensor data that we do, and you'll be able to do all of the usual things you can do over SSH. The catch is that at least at first you will need to be physically present at the shop to use your account over our WiFi. You'll be able to schedule tasks (via cron/anacron/whatever) and stuff if you would like, and we'll probably have a computer on hand for you to use if you don't feel like lugging one down from your office or whatever.

We're going to start with stock Raspbian install, and add Adafruit's Occidentalis via Pi Finder to start. The Pi will boot when it gets power (usually around 0700h every weekday) and will shut down automatically around 1530h which is when we're usually almost done cleaning up. The shutdown script will eventually do stuff like back the SD card up, warn users of impending process killing, and so forth but for now it just shuts down. We will probably also install Postgres, Dropbox, and a few other things.

This stuff should go without saying but we're going to say it anyway-- please keep in mind that this is a fun experimental project and as such you shouldn't use it for anything super important, or even semi-important. On a related note please be mindful of the limited resources available on a (vanilla model B) Pi, so mining dogecoin or rendering video is probably not going to work out all that well for anyone.

Please let us know if there are things you would like us to install (bonus if it's available via apt), if you have feelings on sensors or other hardware, or if you have thoughts on the project in general. We are also agonizing over hostnames-- tradition at our place has been to use names of kings and queens (eg Tubby, Cobra, Pepin, Midas etc) so if you can think of anything appropriate send it on over.

posted 2015-04-12 14:22:01 by px

About

Papa November is a tiny coffee shop Serving Stumptown coffee. We're located at 15th and Kansas in Showplace Square, a part of the Potrero Hill district in San Francisco.

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We are open from 0800H to 1300H, Monday through Thursday.

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