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Welcome to the Blues Developer Blog

Technical articles on everything in the Internet of Things, from Arduino to Zephyr. Written by developers, for developers.

Provisioning IoT Fleets at Scale with Notehub banner

May 29, 2026

Provisioning IoT Fleets at Scale with Notehub

A multi-stage provisioning workflow that takes IoT devices from the manufacturing line to the customer's site without a single manual configuration step.

May 20, 2026

What's New in Notehub—May 2026 Edition

A look at the latest features we’ve shipped in Notehub, including smart fleet improvements, encrypted route secrets, resizable columns, and a bunch of new APIs.

May 6, 2026

Designing IoT Devices That Degrade Gracefully Instead of Going Dark

Battery-powered IoT devices rarely just fail, they degrade. Here are six low-power mistakes I see in real Notecard deployments and how to design around them.

April 30, 2026

Building Dashboards With the Notehub API and Grafana Cloud

Learn how to use Grafana Cloud and the Notehub API to build dashboards that visualize your Notehub data.

April 14, 2026

Tips & Tricks for Managing Devices in Notehub

Learn tips to help organize and manage devices in Notehub as your projects start to scale

March 10, 2026

One Module, Three Networks - Meet Notecard for Skylo

Introducing Notecard for Skylo, the only module combining Cellular, WiFi, and Satellite connectivity on a single board with bundled data and no fees.

February 18, 2026

How to Upload Binary Data Through the Notecard with Python SDK

Learn how to rapidly upload binary data to a remote server with Notecard and Notehub using the note-python SDK.