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Articles by

Mike Szczys

Mike is a Firmware Engineer at Golioth. His deep love of microcontrollers began in the early 2000s, growing from the desire to make more of the BEAM robotics he was building. During his 12 years at Hackaday (eight of them as Editor in Chief), he had a front-row seat for the growth of the industry, and was active in developing a number of custom electronic conference badges. When he's not reading data sheets he's busy as an orchestra musician in Madison, Wisconsin.
Device Management

Connecting Nordic’s new nRF9151 to Golioth

Golioth already works on the nRF9151 SIP and associated Dev Kit from Nordic Semiconductor. Utilize the Golioth Firmware SDK with nRF Connect SDK to connect your cellular device to an advanced IoT cloud immediately.
Mike Szczys -
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Zephyr

How to Debug a Network Error in Zephyr

Zephyr has built-in debugging for many of its supported boards. Here's a real-world example of utilizing the these tools to track down and fix a networking error with CoAP.
Mike Szczys -
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Zephyr

Taking Your Hardware To Production with Zephyr

Manufacturing is marathon, not a sprint. Chris Gammell walks through five phases of IoT device production, discussing what's involved in each step and how Zephyr RTOS can help during his talk from the 2024 Embedded Open Source Summit.
Mike Szczys -
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Zephyr

How to use the RAK5010 cellular dev board with Zephyr

The RAK5010 is a cellular board based on Quectel's BG95 modem (Qualcomm chipset). A Nordic nRF52840 microcontroller "runs the show", connecting to the modem via UART. This is a nice combination for a number of applications like remote sensing, application tracking, and Bluetooth <> Cellular gateway. Let's walk through the process of developing for this board in the Zephyr RTOS.
Mike Szczys -
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Bluetooth

Bluetooth Gateways with Golioth and Zephyr

Turn your Bluetooth devices into a connected IoT fleet using Golioth. This post walks through the process of creating a Bluetooth to Cellular gateway and sending sensor data to the cloud.
Mike Szczys -
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Tools

Automated hardware testing using pytest

Pytest is a framework for testing and we use it for our Firmware SDK. This post reviews setting up fixtures that connect embedded projects to pytest.
Mike Szczys -
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SDK

Golioth Firmware SDK v0.11.0 is now available!

Golioth's Firmware SDK (v0.11.0) pulls in recent versions of different ecosystems, allowing developers to target a wide range of custom hardware.
Mike Szczys -
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Device Management

Storing Golioth credentials on the nRF9160 using TLS Tags

Nordic's nRF9160 cellular modem includes a great peripheral called the Key Management Unit (KMU). This secure key...
Mike Szczys -
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Learn how to develop enterprise-grade IoT on the Golioth blog.

Latest Posts

Useful Zephyr Shells for IoT Development

Chris Gammell - 0
The Zephyr shell subsystem will help you directly interact with and troubleshoot your IoT hardware. This post details our most commonly used commands, as well as a listing of all Zephyr shell modules that we could extract from a recent project.

Guide to Securely Store Credentials on an nRF91 Modem

Mike Szczys - 0
The Nordic nRF91 modems include secure storage for TLS credentials. This may be used to authenticate with Golioth. The assets are stored separately from the firmware, and once written, they cannot be read back from the device. This guide shows the process of storing and using credentials.

Adding sound to the Aludel Elixir based Reference Designs

Chris Gammell - 0
This post highlights moving code from one Zephyr project to another and all the considerations for code portability.

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Program your microcontrollers from WSL2 with USB support

Jonathan Beri - 0
Microsoft has finally added USB support to WSL and I’ve been testing this long-awaited feature as part of my Windows development workflow. Today I will walk you through the basic steps of programming an embedded device over USB using WSL.

Debugging Zephyr for Beginners: printk() and the Logging Subsystem

Mike Szczys - 0
Zephyr has a number of tools to aid in debugging during your development process. Today we're focusing on the most available and widely useful...

How to Configure VS Code for Zephyr Development

Mike Szczys - 0
Jonathan Beri (CEO and founder of Golioth) gave a talk at the 2023 Embedded Open Source Summit about how to optimize VS Code for any Zephyr project.

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