FloJack Audio Protocol

[ThomasParticipant]

Hey there,

I was wondering is a public spec exists for the audio protocol the FloJack uses to get data over the headphone port.

I’m interested because tablets like the Asus T100 only have a 3.5mm dual purpose jack as an input on the “tablet” part of the machine.

I’m hoping to use that and some crazy JavaScript (the web audio API) to create a JS API for the FloJack.

[RichardKeymaster]

Hey there, that’s an awesome idea that I can help you with. The latest specification for the Flojack has a lot of the information you will need. You can also review the iOS and Android SDKs on GitHub to get an idea on how we demodulate the Manchester encoded data stream:

https://github.com/flomio/flojack_ios
https://github.com/flomio/flojack_android

Having NFC support at the browser level would be really cool. Lots of customers have requested that kind of functionality (similar to an HID driver).

Good luck and keep us posted!

[JakeParticipant]

I’m eager to see what comes of this! To echo Richard’s post, please keep us posted!

[ThomasParticipant]

Will do!

Currently I don’t have a FloJack to work with. I’m wondering what’s the quickest way to get hold of one as the current pre-order does not look like its going to complete anytime soon.

However in the mean time I’m working on some magnetic card reader stuff (thing Square and PayPal Here, the US versions). I’m hoping I will be able to reuse the signal processing stuff 🙂

[JakeParticipant]

Please shoot me an email (jake@flomio.com).

Thanks,

Jake

[Author]

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