Getting Started¶

Installing Node.js and npm¶

You need to have Node.js and npm installed.

To check if you have them installed, open a terminal or command prompt and run the following commands:

node --version
npm --version

If you see an number output similar to x.x.x for each command, then they are both installed and you can continue to the next section.

To install on Windows or mac, you can download the installer from https://nodejs.org/en/download.

To install on Linux, you can use a package manager. Instructions for installing Node.js on your distribution can be found in the following link:
https://nodejs.org/en/download/package-manager

Pre-requisite¶

This example assumes that you can run the following program that can communicate the decoded result of barcode data with mbed Device Connector:

Configuring the App¶

In order to run this app, you need to set up the options shown below via environment variable of .env file stored in the folder GR-PEACH_mbed-os-QRCode-ShoppingCart-node which should be automatically created when cloning this program.

• ACCESS_KEY
  Set this variable to your Access Key that you can create on mbed Device Connector. if you don't have an Access Key yet, please create it in accordance with the following procedure.
  1. Access https://connector.mbed.com/#accesskeys.
  2. Click Create New Access Key.
  
  When prompted, enter a name for the access key (e.g. "demo") and click ADD.
  
  3. Copy the access key you just created and use it in .env file as follows:

ACCESS_KEY=hogehoge