TWINS

INTRODUCTION:

Web Of Twins proof of concept

USAGE:

USING IOT.JS:

make start
#| iotjs index.js 
#| Listening:
#| http://localhost:8888/

url=http://localhost:8888
curl $url/properties
#| {"torso":0,"shoulder":0,"arm":0,"hand":0}

curl -X PUT  -H "Content-type: application/json" -d '{ "hand": 10 }' $url/properties/hand
#| {"hand":10}

make demo

Then twin can be visualized using:

• A-frame (./aframe/index.html) rendering page
• http://rzr.github.io/twins/aframe/?url=http://localhost:8888

USING NODE.JS:

Usage is straightforward:

npm install
npm start 8042
#| > node index
#| Listening:
#| http://localhost:8842/

USING GLITCH:

• http://rzr.github.io/twins/aframe
• http://rzr.github.io/twins/aframe/?url=https://twins.glitch.me

USING MOZILLA WEBTHING GATEWAY:

• Issue token

cd aframe
npm install && PORT=42088 npm start

url='http://localhost:42088/?'
httpUrl='https://rzr.mozilla-iot.org/things/http---192.100.0.13-888'
useWs="false"
bearer='eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6IjI0YWZiMGI4LTdlMDktNDgzYy1iMTc4LTkyNDBjMjQxMWMxNiJ9.eyJjbGllbnRfaWQiOiJsb2NhbC10b2tlbiIsInJvbGUiOiJhY2Nlc3NfdG9rZW4iLCJzY29wZSI6Ii90aGluZ3M6cmVhZHdyaXRlIiwiaWF0IjoxNTgwNDA1NDkyLCJpc3MiOiJodHRwczovL3J6ci5tb3ppbGxhLWlvdC5vcmcifQ.9OoC503xdppFBEKMKQoXBnK5RbamLuWo0hZg2evdImRUXwVEovfbhAqHFCwCFGyADYKpT8mTWOzlMKZ_ahddoA'
url="$url&url=$httpUrl"
url="$url&useWs=$useWs"
url="$url&bearer=$bearer"
www-browser "$url"

GUIDE:

Demo Howto and more insights at:

• https://github.com/rzr/webthing-iotjs/wiki/DigitalTwins

DEMO:

RESOURCES:

• http://purl.org/rzr/presentations#
• https://fosdem.org/2020/schedule/event/iotnuttx/#
• https://purl.org/rzr/digitaltwins-webthings-iotjs-20190512rzr#
• https://purl.org/aframe-webthing#
• https://github.com/rzr/aframe-webthing#
• https://github.com/sponsors/rzr/#