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The Gopher Tessel

Or the internet of obsolete things…

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Hi, I’m Emma.

She/Her

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Why am I talking about an obsolete internet service?

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If you are interested in a thing, chances are there are others who are interested too. — Simone Giertz

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Back in the 1990’s

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Before the Web…

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Gopher?

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I had forgotten about Gopher…

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Has anyone written a Gopher server in Node?

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Oh good.

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Oh good.

​

Someone else is interested in this problem too.

​

Thanks, Simone.

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Tessles run Node!

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Tessels support sensors:

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Temperature

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Humidity

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A Gopher that told you about its location

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And another reason for doing this: learning how to work with a Tessel.

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else if (data === 'Temp\r\n') {

console.log('Reading climate module temp data');

climate.readTemperature('f', function(err, temp) {

console.log('Serving climate module temp data');

socket.write('The current temperature at this device\'s location is '

+ temp.toFixed(4) + 'F\r\n');

socket.end();

});

}

​

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Yeah, it’s all callbacks…

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Attach sensors, load code and…

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Attach sensors, load code and…

Humidity and temperature sensor

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Attach sensors, load code and…

Humidity and temperature sensor

LEDs

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Demo!

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And the blinking lights…

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Next!

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Control other people’s lights.

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Cat photos.

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https://github.com/emceeaich/gopher-tessel

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Thank you!

emma@mozilla.com // @triagegirl