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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

Welcome to the Blues Developer Blog

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

Perform Notecard Outboard Firmware Updates with GitHub Actions banner

June 10, 2025

Perform Notecard Outboard Firmware Updates with GitHub Actions

Use the Notehub ODFU GitHub Action to stage updates to the firmware of your Notecard host.

  • Notecard
  • ODFU
  • CI/CD
Alex Bucknall
Alex BucknallStaff Developer Experience Engineer

June 2, 2025

Bridging the Gap: LTE Cat-1 bis and the Future of 5G IoT

What is LTE Cat-1 bis and how does it impact the future of 5G in the IoT?

  • Cellular
Rob Lauer
Rob LauerSenior Director of Developer Relations
May 23, 2025

Model Context Protocol: Is it the USB-C for AI applications?

The Model Context Protocol is a new standard for passing context between AI models. Manage Notecard and Notehub with ease!

  • AI
  • MCP
Alex Bucknall
Alex BucknallStaff Developer Experience Engineer
May 14, 2025

Comparing Off-the-Shelf Cellular IoT Modules with Blues Notecard

Follow my journey of trying to replicate just some of the features Notecard and Notehub provide, using an off-the-shelf cellular board from Arduino.

  • Cellular
  • Notecard
  • Notehub
Rob Lauer
Rob LauerSenior Director of Developer Relations
May 6, 2025

Debugging Embedded Applications on STM32

An overview of debugging techniques for programs deployed to an STM32 microprocessor.

  • Blues University
  • STM32
  • Firmware
  • Intermediate
Blues University
Blues UniversityIoT and Embedded Development Content
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
  • Hardware
  • Intermediate
  • Low Power
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.

  • Zephyr
  • Feather MCU
  • Debugging
Alex Bucknall
Alex BucknallStaff Developer Experience Engineer

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