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Using Zephyr SMP with Multiple MCUs

It's easy to see that Golioth makes firmware updates for internet-connected devices a snap. But combine Golioth Cohorts, our improved OTA event log, and interconnectivity tools like SMP, and you end up with a powerful OTA scheme for all of the controllers in a complex system.
Mike Szczys -
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Hardware

Zephyr for Hardware Engineers: GPIO

Did you know that Zephyr doesn't have a plain old GPIO example? The closest thing is the blinky example that controls LEDs. Why is that? Zephyr expects you to write your own devicetree bindings. It's not that hard, and it's the topic of today's post.
Chris Gammell -
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How To

How to Write a Zephyr Device Driver with a Custom API

Learn the ins and outs of the Zephyr driver subsystem and learn how to write your own custom driver APIs the Zephyr way!
Mike Szczys -
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How To

WebAssembly on Zephyr

WebAssembly runs on microcontrollers, but why would you want to do that? Dan Mangum shows us how to use Wasm with Zephyr RTOS, why you would want to, and he even discuss how to decide if the tradeoffs fit your needs.
Mike Szczys -
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Device Management

How to localize your devices with GNSS, NMEA, and Zephyr

Guest author Jerónimo Agulló goes over the basics of GNSS and how the NMEA0183 set of messages standardizes communication between geolocation modules and microcontrollers. Then he shows how a new system in Zephyr makes it easier than ever to set up communication.
Jerónimo Agulló -
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Device Management

How to add a custom board definition to a Zephyr application

Guest author Chris Wilson explains how a Golioth training inspired him to dig into how to add a new board definition in Zephyr
Chris Wilson -
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How To

Getting Started with the ESP32, Golioth, and Zephyr

The ESP32 is a great way to get up and running quickly on Golioth. This article, and the accompanying video, walks through the process of provisioning an ESP32, installing the Zephyr RTOS toolchain, then loading and running your firmware.
Chris Gammell -
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Latest Posts

Using Zephyr SMP with Multiple MCUs

Mike Szczys - 0
It's easy to see that Golioth makes firmware updates for internet-connected devices a snap. But combine Golioth Cohorts, our improved OTA event log, and interconnectivity tools like SMP, and you end up with a powerful OTA scheme for all of the controllers in a complex system.

Golioth Design Partners: IoT Solutions for Constrained Devices | 2025 Partner Network

Chris Gammell - 0
We regularly refer Golioth users to our trusted Design Partners to help design, test, and deploy hardware out into the world. The Golioth Design Partner program has been going for more than 2 years and continues growing. In 2025, we reached 20 listed partners, with others in the wings.

Adding Golioth Example Code to Your ESP-IDF Project

Marko Puric - 0
In our previous blog post, we demonstrated how to add the Golioth Firmware SDK to an ESP-IDF project. As you start integrating Golioth into...

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DTSh – A Devicetree viewer for Zephyr

Chris Duf - 0
Chris Duf, author of the DTSh tool, writes about how to better visualize your Devicetree in Zephyr and troubleshoot hard-to-find bugs in a Zephyr project.

An Ode to Industrial Standards

Chris Gammell - 0
This is an excerpt from our bi-monthly newsletter. You can sign up for future newsletters here. I love old* industrial standards like Modbus. It was...

Understanding Your Golioth Usage

Dan Mangum - 0
Today we are launching a new feature in the Golioth console: usage visualization. All Golioth users can now access real-time usage data, broken down...

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