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.
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.
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.
Blues Guides
Best Practices for Production-Ready Projects
A set of best practices for building production-ready projects with the Notecard and Notehub.
Twilio SMS Guide
Learn how to send SMS messages using Twilio via a Notehub route.
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.
Using the Notehub API
A tutorial on how to use the Notehub API to manage your projects.
Notecard Guides
Guides to help you configure and use the Notecard in your projects.
Asset Tracking with GPS
Learn how to build location-aware applications using the Notecard's built-in GPS capabilities.
Attention Pin Guide
Configure and use the Notecard's attention pin for efficient host-Notecard communication.
Debugging with FTDI Debug Cable
Use FTDI debug cables to troubleshoot and monitor Notecard communication protocols.
Diagnosing Cellular Connectivity Issues
Troubleshoot and resolve cellular connectivity issues with your Notecard deployment.
Diagnosing GPS Issues
Identify and resolve common GPS connectivity and positioning problems.
Encrypting and Decrypting Data
Secure your IoT data with encryption and decryption techniques using the Notecard.
Feather MCU Low Power Management
Optimize power consumption for battery-powered projects using Feather MCUs.
Minimizing Latency
Optimize your Notecard configuration to minimize communication latency.
Notecard Communication Without a Library
Communicate directly with the Notecard using raw JSON commands without libraries.
Recovering a Bricked Notecard
Restore functionality to a non-responsive or bricked Notecard device.
Remote Command and Control
Implement remote command and control functionality for your IoT devices using the Notecard.
Sending and Receiving Large Binary Objects
Handle large binary data transfers efficiently with the Notecard's binary object support.
Serial-Over-I2C Protocol
Understand and implement the Serial-Over-I2C protocol for Notecard communication.
Understanding Environment Variables
Learn how to use environment variables to configure and customize Notecard behavior.
Understanding Notecard Penalty Boxes
Learn about Notecard penalty boxes and how they affect device connectivity and data transmission.
Updating ESP32 Host Firmware
Update firmware on ESP32 microcontrollers connected to Notecard devices.
Using External SIM Cards
Configure and use external SIM cards with your Notecard for cellular connectivity.
Using JSONata to Transform JSON
Transform and manipulate JSON data using JSONata expressions in your Notecard applications.
