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What’s New
Resources
Blog
Technical articles for developers
Connected Product Guidebook
In-depth guides for connected product development
Developer Certification
Get certified on wireless connectivity with Blues
Newsletter
The monthly Blues developer newsletter
Terminal
Connect to a Notecard in your browser
Webinars
Listing of Blues technical webinars
Blues.comNotehub.io
Shop
Docs
homechevron_rightBlogchevron_rightFirmware

Firmware

July 14, 2026

Interrupt-Driven IoT with the Notecard ATTN Pin

Unnecessary polling is where battery-powered IoT quietly bleeds power. Here's how Notecard's ATTN pin lets a host MCU remain in deep sleep at µA levels and wake only when something actually happens.

  • Low Power
  • Notecard
  • Firmware
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
March 5, 2025

Using Serial Logs Effectively

A beginner's guide for using serial logs to debug embedded programs.

  • Blues University
  • Beginner
  • Arduino
  • Firmware
Blues University
Blues UniversityIoT and Embedded Development Content
October 31, 2024

Why Beginning Embedded Developers Shouldn't be Afraid of C

Learn more about why C is such a popular language for embedded development and how it's accessible even to Python, JavaScript, or Go developers.

  • Blues University
  • C
  • Firmware
  • Beginner
Blues University
Blues UniversityIoT and Embedded Development Content
October 16, 2024

Setting Up a Development Environment for Embedded Programming

Get comfortable setting up your first set of developer tools for embedded development.

  • Blues University
  • Arduino
  • Firmware
  • Beginner
Blues University
Blues UniversityIoT and Embedded Development Content
July 24, 2024

A Beginner's Guide to Arduino

Learn how to write and deploy your first firmware to an Arduino device.

  • Blues University
  • Arduino
  • Firmware
  • Beginner
Blues University
Blues UniversityIoT and Embedded Development Content
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