APIs for the physical world

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Information about APIs for the physical world

Published on March 28, 2014

Author: PaulHopton

Source: slideshare.net


The talk i gave as part of the "Internet of Things" panel at the API strategy & practice conference in Amsterdam

Paul Hopton APIs for the physical world @HoptonPaul @relayr_cloud http://relayr.io

Starter kit for the Internet of Things designed for App Developers


Electronic Frontiers Sensors Everywhere

Free standing / embedded sensors Battery Powered Run on unreliable networks Be mobile Be small Be secure

when you come from software Hardware is Hard

Hardware Iterations are very slow “Deployment” of a PCB design takes 2-3 weeks Component availability is often uncertain Pricing is based on volume

Firmware Tooling is expensive, proprietary, primitive There is no Filesystem Delivery of new releases is difficult / impossible Testing has to happen in-device


What about …?


Ubiquitous WiFi? Chips remain comparatively expensive Power consumption isn’t low enough SSL Support is a rarity Wearables and automotive aren’t in your WiFi range

The WunderBar

MQTT Lightweight messaging protocol Low bandwidth == Low power Publish / Subscribe security through SSL

Publish Subscribe Device API mqtt.relayr.io/v1/wb123/sens456/data (p) mqtt.relayr.io/v1/wb123/sens456/cmd (s) mqtt.relayr.io/v1/wb123/sens456/config (s) !RESTful

What we do on the Platform Routing Conditional logic (filtering) Stateful rules engine Autonomous event handling

Working with the data app APIs RESTful API for discovering device state Realtime feeds for “noisy sensors” Notifications for slow feeds Device description lookups (apicommons)

Hardware is not the new Software The Internet of Things isn’t here yet.

Thank you! @HoptonPaul @relayr_cloud http://relayr.io

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