Informational guides for learning about Blues Wireless hardware and cloud services, and hands-on tutorials that walk you through connecting and using Blues hardware

Welcome

Build an MCU-controlled application that reads from an external sensor and sends readings to the Notecard

Sensor Tutorial

Introduction

Set up Hardware

Create a Notehub Project

Write Firmware

View Data in Notehub

Collecting Sensor Data

Learn how to connect Notecard applications to third-party cloud services using Notehub Routes

Route Tutorial

Create a Route

Use JSONata to Transform JSON

Route to an External Service

Build Data Visualizations

Routing Data to Cloud

Detailed review of the Notehub.io Service

Fleet Administrator's Guide

Device Information

Event Information

Session Information

Data Handling

Firmware Management

Organizational Tooling

Hardware Specific QR Codes

Fleet Admin Guide

A list of all guides for using the Blues Wireless Notecard

Guide Listing

Asset Tracking

What You Need to Get Started

Tracker Configuration Requests

Configure a Standalone Tracker

Configure a Host-Controlled Tracker

Viewing Tracker Data

Routing Tracker Data to Third-Party Services

Advanced Tracker Configurations

Configuring the Notecard Attention Guide for the Adafruit Huzzah32 ESP32 Feather

Notecard Attention Guide

Notecard Interrupt

Hardware Setup

Firmware Breakdown

More on ESP32 Interrupt Handling

Additional Resources

Attention Pin Guide

Learn how to use the TTL-232R-RPI debug cable from FTDI to debug a Notecard.

Debugging Notecard with the FTDI Debug Cable

Connecting the FTDI Cable

Setting Up a Terminal Program

Issuing an API Request

Debugging with the FTDI Debug Cable

A guide for sending encrypted data through the Notecard and Notehub

Encrypting Data With the Notecard

Notecard Encryption Overview

Notecard Encryption Walkthrough

A brief overview of JSONata and how it can be used in Notehub

JSONata 1-2-3

The JSONata Exerciser

Composition

Parsing with Built-in Functions

Creating Custom Functions

JSONata Transforms in Notehub Routes

Summary

How to configure Notehub.io and your Notecard to minimize latency

Minimizing Latency

Mechanism of Action

Configuring Notehub Interactions

Flushing Queued Notes

Serial-Over-I2C Protocol

What is I2C

Transaction Structure

Data Query

Data Read

Data Write

Transaction Walkthrough

Overview of Environment Variables and how to use them

Understanding Environment Variables

The Hierarchy of Environment Variables

Setting Environment Variables

Session Environment Variables

Deleting Environment Variables

Reserved Environment Variables

Learn how and why a Notecard may enter a penalty box after repeated network or GPS failures.

Understanding Notecard Penalty Boxes

Types of Penalty Boxes

Insufficient Power Supply

Network Registration Failure

Inability to Connect to Notehub

Inability to Acquire GPS Satellite Fix

Guide for using Notehub and the Notecard for performing Host firmware updates

Updating Host Firmware

Preparing the Arduino IDE

Overview of the Host DFU Process

Adding DFU Capabilities to Firmware

Creating a Firmware Revision

Initiating a Host DFU from Notehub

Tracking DFU Progress

Updating ESP32 Host Firmware

Using External SIM Cards

Configuring the Notecard

Frequently Asked Questions

Notecard Guides

Guide for creating Notehub Routes to Twilio services

Twilio Route

Prerequisites

Configuring the Route

Notecard Request

Route Verification

Guide for creating Notehub Routes to MQTT services

MQTT Route

Guide for creating Notehub Routes to Azure Functions

Azure Function Route

Guide for creating Notehub Routes to ThingWorx

ThingWorx Route

Routing References