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Expected completion time of this lab:
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On your computer, you will run both the JsonServer and Node-RED programs:
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JsonServer
Double-click on
smartmeshsdk\app\JsonServer\JsonServer.py
. The application startsThe
h
command allows you to get a list of available commandsCode Block > h Available commands: - help (h): print this menu - info (i): information about this application - quit (q): quit this application - uptime (ut): how long this application has been running - status (s): get the current status of the application - seriaports (sp): list the available serialports - connectmanager (cm): connect to a manager's API serial port - disconnectmanager (dm): disconnect from a manager's API serial port >
type "sp". What are the available serial ports on your computer?
Info titleicon false
Answer 1:
using the "cm" command, connect the JsonServer to your manager's API port
TheInfo the API serial port to connect to is the 4th one
The API port isCode Block COM3, COM4, COM5, COM6
so if command “sp” returns
COM3, COM4, COM5, COM6
, you need to connect to COM6
type "s". Verify the manager appears as "connected".
Node-RED
in a command prompt, start Node-RED by typing
Code Block C:\Users\twatteyne>node-red 30 Mar 03:14:22 - [info] Welcome to Node-RED =================== 30 Mar 03:14:22 - [info] Node-RED version: v0.16.2 30 Mar 03:14:22 - [info] Node.js version: v6.9.5 30 Mar 03:14:22 - [info] Windows_NT 6.1.7601 x64 LE 30 Mar 03:14:24 - [info] Loading palette nodes 30 Mar 03:14:26 - [info] Dashboard version 2.3.2 started at /ui 30 Mar 03:14:27 - [warn] ------------------------------------------------------ 30 Mar 03:14:27 - [warn] [rpi-gpio] Info : Ignoring Raspberry Pi specific node 30 Mar 03:14:27 - [warn] [tail] Not currently supported on Windows. 30 Mar 03:14:27 - [warn] ------------------------------------------------------ 30 Mar 03:14:27 - [info] Settings file : \Users\twatteyne\.node-red\settings.js 30 Mar 03:14:27 - [info] User directory : \Users\twatteyne\.node-red 30 Mar 03:14:27 - [info] Flows file : \Users\twatteyne\.node-red\flows_HDC_S W01.json 30 Mar 03:14:27 - [info] Server now running at http://127.0.0.1:1880/ 30 Mar 03:14:27 - [info] Starting flows 30 Mar 03:14:27 - [info] Started flows
open http://127.0.0.1:1880 to see the Node-RED interface: