This post assumes basic familiarity with Java and the Android SDK.  It gives you a brief intro on how to talk to the NFC API to read a tag and subscribe to an event that detects it.   Read more →

NDEF  was authored by our good friend Miller Abel (he’s a stud). The specification details how to organize data to that NFC Forum complaint readers will properly respond to tags they read. We thought to include some slides from the NFC Bootcamp for reference.

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Overview

• Intro
• NFC Tag Types
• NDEF Messages
• NDEF Records
  • Type Name Format (TNF)
  • Record Type Definition (RTD)

Intro

NFC Data Exchange Format, or NDEF, is the most widely supported format for writing and reading NFC tag data. It’s a lightweight, binary message format used to encapsulate arbitrary data like URL’s or MIME-TYPE. The format is composed of NDEF Messages which contain an array of NDEF Records each encapsulating a certain type of data.

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First big press article from TechCocktail. We’re humbled to be surrounded by so many great companies at TechStars. Wanted to share this. Thanks for the support.

– Richard and the Flomies.

Just graduated from TechStars! It’s been an amazing experience and we wanted to share it with our community. Read more about it on Gigaom. Thanks for the support.

– Richard and the Flomies.

Great demos, thought leaders, and vendors offering every ingredient to bake an awesome Internet of Things. That’s what I encountered at the 3rd Annual Auto-iD & Sensing Solutions Expo hosted by the MIT Media Labs. Flomio got the invite late last week (thanks for that, Stephen) so had to hustle a bit to get out to Boston in time.

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NFC stands for Near Field Communication and unless you’ve been living under a rock, it’s very likely that you’ve used some form of it.  The technology has been around for over a decade and found it’s way into public transportation cards, access cards, and credit cards.  To create something useful with it you need readers and tags.  The readers send out energy that wake up the tags to respond.  It’s this dialog that tranfers data between the two.  Because NFC is designed to use magnetic energy, it’s very low power and only works when the reader and tag are less than 2in away.  This may sound like a bad thing, but not really.

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Lots of developers that are aware of NFC always wonder why I founded Flomio.  Truth is that building a comprehensive solution using NFC and RFID is really tough.  The space is extensive and you can easily get stuck with incompatibilities.  This post will attempt to open up this topic.

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