CoAP - Node.js practice

# Save dependencies
npm install coap --save
# Without
npm install coap

Basic practice of simple coap node api

Practice of observation mode

The experiment based on CoAP observation mode to retrieve data : os information and network connection. The architecture is a CoAP client and multiple server-node ( sensing device ).

• External installation

npm install socket.io --save

• Execute

# on devices
node server_node.js

# pre-config IP address
# on http server
node observ_client.js