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Docs Home
What’s New
Resources
Blog
Technical articles for developers
Newsletter
The monthly Blues developer newsletter
Terminal
Connect to a Notecard in your browser
Developer Certification
Get certified on wireless connectivity with Blues
Webinars
Listing of Blues technical webinars
Blues.comNotehub.io
Shop
Docs
Guides & Tutorials
Collecting Sensor Data
Routing Data to Cloud
Building Edge AI Applications
Best Practices for Production-Ready Projects
Twilio SMS Guide
Fleet Admin Guide
Using the Notehub API
Notecard Guides
Guide Listing
Asset Tracking with GPS
Attention Pin Guide
Connecting to a Wi-Fi Access Point
Debugging with the FTDI Debug Cable
Diagnosing Cellular Connectivity Issues
Diagnosing GPS Issues
Encrypting and Decrypting Data with the Notecard
Feather MCU Low Power Management
Minimizing Latency
Notecard Communication Without a Library
Recovering a Bricked Notecard
Remote Command and Control
Sending and Receiving Large Binary Objects
Serial-Over-I2C Protocol
Understanding Environment Variables
Understanding Notecard Penalty Boxes
Updating ESP32 Host Firmware
Using External SIM Cards
Using JSONata to Transform JSON
homechevron_rightDocschevron_rightGuides & Tutorials

Guides & Tutorials

Guides & tutorials for learning Blues hardware and cloud services.


Hands-On Tutorials

Collecting Sensor Data

A hands-on tutorial that walks you through collecting sensor data and sending it to Notehub.

Start tutorial

Routing Data to Cloud

A hands-on tutorial that guides you through securely forwarding your Notehub data to a variety of cloud providers and IoT platforms.

Start tutorial

Building Edge AI Applications

A hands-on tutorial that walks you through creating an Edge AI application, including building your own ML model from scratch.

Start tutorial

Blues Guides

Best Practices for Production-Ready Projects

A set of best practices for building production-ready projects with the Notecard and Notehub.

Read the guide

Twilio SMS Guide

Learn how to send SMS messages using Twilio via a Notehub route.

Read the guide

Fleet Admin Guide

Dive into Notehub to discover features that allow you to inspect transferred data, manage device fleets, and perform cloud-based OTA DFU.

Read the guide

Using the Notehub API

A tutorial on how to use the Notehub API to manage your projects.

Read the guide

Notecard Guides

Guides to help you configure and use the Notecard in your projects.

In this section

Asset TrackingAttention Pin GuideDebugging With the FTDI Debug CableDiagnosing Cellular Connectivity IssuesDiagnosing GPS IssuesEncrypting and Decrypting Data with the NotecardFeather MCU Low Power ManagementMinimizing LatencyNotecard Communication Without a LibraryRecovering a Bricked NotecardRemote Command and ControlSending and Receiving Large Binary ObjectsSerial-Over-I2C ProtocolUnderstanding Environment VariablesUnderstanding Notecard Penalty BoxesUpdating ESP32 Host FirmwareUsing External SIM CardsUsing JSONata to Transform JSON
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© 2025 Blues Inc.
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