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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.

Power Management and Energy Efficiency in Embedded Systems banner

April 23, 2025

Power Management and Energy Efficiency in Embedded Systems

Learn about strategies that can help enhance the power efficiency of your embedded applications.

Blues University
Blues UniversityIoT and Embedded Development Content
April 16, 2025

Zephyr: Debugging Feather MCUs with note-zephyr

Learn how to use note-zephyr to debug Zephyr RTOS applications for the Feather MCU.

Alex Bucknall
Alex BucknallStaff Developer Experience Engineer
April 8, 2025

Configuring Your Notecard for GPS Tracking—A Beginner’s Guide

Everything you need to know about configuring your first Notecard for GPS tracking

TJ VanToll
TJ VanTollPrincipal Developer Advocate
April 2, 2025

The Anatomy of JSON and JSONata

Learn more about the structure of JSON and transforming JSON objects with JSONata.

Blues University
Blues UniversityIoT and Embedded Development Content
March 25, 2025

Zephyr: How to use Shells for Prototyping & Debugging Notecard Applications

Learn how to use Zephyr Shells with examples for I2C, sensors, and custom Notecard commands.

Alex Bucknall
Alex BucknallStaff Developer Experience Engineer
March 19, 2025

Routing IoT Data to Adafruit IO (and Beyond)

Learn how to use Notecard and Notehub to route collected sensor data for visualization (and more) on Adafruit IO.

Rob Lauer
Rob LauerSenior Director of Developer Relations
March 11, 2025

Sending Your IoT Data to a Cloud Platform

An introduction to the how and why of syncing your IoT data with the cloud.

Blues University
Blues UniversityIoT and Embedded Development Content