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Detecting Text From Images Over A Cellular Link

This post and video demonstrate taking a photo with a low power camera and cellular-based microcontroller and transmitting to the cloud for processing. Rick Jen from the Microsoft Azure team shows how to accept those images and work with the Azure AI OCR service to extract useful text and store it in a database.
Chris Gammell -

FEATURED

Bluetooth

The Taxonomy of Connected Device Networks

As Golioth expands support for devices that are not directly connected to the platform, new concepts and capabilities are required to accommodate networks. This post introduces unmanaged devices, proxying, and impersonation.
Dan Mangum -

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Platform Basics

Managing OTA Updates for Multiple IoT Hardware Variations

Get the right OTA update to the correct device every time! Goilioth's firmware update system lets you compile with a custom package name for each different hardware variant, and target the rollout to these devices using Cohorts.
Mike Szczys -
Read
Webinars

Custom Board, Custom Zephyr Devicetree (AirTag Session 3)

Sign up for the AirTag Clone webinar series to watch Golioth build out board definition files for the Orleon board, a Bluetooth sensor platform/playground. The upcoming session on May 23rd will walk through setting up all required build files.
Chris Gammell -
Read
Bluetooth

Where’s my (Bluetooth) drill?

We implemented Golioth's Bluetooth-to-Cloud connectivity on a battery pack on a commercial power drill. We not only monitored power usage of the drill, we also looked up the location of the most recent gateway we connected through and attached that to the drill's device record.
Chris Gammell -
Read
How To

Battery Monitoring with Zephyr’s Fuel Gauge Subsystem

Fuel gauge ICs offload effort when it comes to taking reliable battery readings and estimating charge and drain times. Zephyr's support for these components makes using them even easier.
Mike Szczys -
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Golioth Platform

Get the latest information on platform features, releases, API, security, and more.

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Detecting Text From Images Over A Cellular Link

This post and video demonstrate taking a photo with a low power camera and cellular-based microcontroller and transmitting to the cloud for processing. Rick Jen from the Microsoft Azure team shows how to accept those images and work with the Azure AI OCR service to extract useful text and store it in a database.
Read

Managing OTA Updates for Multiple IoT Hardware Variations

Get the right OTA update to the correct device every time! Goilioth's firmware update system lets you compile with a custom package name for each different hardware variant, and target the rollout to these devices using Cohorts.
Read

How to Query LightDB Stream Data the Right Way (POST vs GET)

Golioth's REST API is a power way to query data that has been sent to the cloud. Marko explains how he approaches the tradeoffs of POST vs GET calls to the API and how it impacts the resulting data.
Read

Firmware

Read about the Golioth Firmware SDK releases, optimizations, testing, and more.

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Golioth Firmware SDK v0.18.0

Golioth released Firmware SDK v0.18.0 which pulls in the recent changes from upstream Zephyr, nRF Connect SDK, and ESP-IDF repositories. We are also introducing new gateway support, adding new supported boards, and improving blockwise transfers.
Sam Friedman -
Read

How to Sniff Cellular Packets with a Nordic nRF91

Sniffing network packets from a cellular modem is actually pretty easy. It only seems daunting because at first glance you're left wondering how to acquire the packets. Nordic's nRF91 modems have a trace capability that can be used to pipe packets from the device into Wireshark over a USB connection. Here's how to use it.
Mike Szczys -
Read

Provisioning Devices over NFC

There are a hundred ways to provision a device, and with this NFC-based hack day project there are now 101. Follow along as we us a Nordic nRF53 as a writable NFC tag that parses the NDEF message, locates PSK-ID and PSK, then stores those credentials to add the device to an IoT fleet.
Mike Szczys -
Read

SOLUTIONS

Cloud

Articles to guide engineers working with AI, data, and integrations for IoT.

View Category

Detecting Text From Images Over A Cellular Link

This post and video demonstrate taking a photo with a low power camera and cellular-based microcontroller and transmitting to the cloud for processing. Rick Jen from the Microsoft Azure team shows how to accept those images and work with the Azure AI OCR service to extract useful text and store it in a database.
Read

New Pipelines Data Destination: LightDB State

A new Pipelines data destination for LightDB State is now generally available for Golioth users and will enable a range of new bidirectional interactions with 3rd party services.
Read

How to Query LightDB Stream Data the Right Way (POST vs GET)

Golioth's REST API is a power way to query data that has been sent to the cloud. Marko explains how he approaches the tradeoffs of POST vs GET calls to the API and how it impacts the resulting data.
Read

Latest Posts

Read the latest from Golioth.

AI

Detecting Text From Images Over A Cellular Link

This post and video demonstrate taking a photo with a low power camera and cellular-based microcontroller and transmitting to the cloud for processing. Rick Jen from the Microsoft Azure team shows how to accept those images and work with the Azure AI OCR service to extract useful text and store it in a database.
Chris Gammell -
Read
Platform Basics

Managing OTA Updates for Multiple IoT Hardware Variations

Get the right OTA update to the correct device every time! Goilioth's firmware update system lets you compile with a custom package name for each different hardware variant, and target the rollout to these devices using Cohorts.
Mike Szczys -
Read
Webinars

Custom Board, Custom Zephyr Devicetree (AirTag Session 3)

Sign up for the AirTag Clone webinar series to watch Golioth build out board definition files for the Orleon board, a Bluetooth sensor platform/playground. The upcoming session on May 23rd will walk through setting up all required build files.
Chris Gammell -
Bluetooth

Where’s my (Bluetooth) drill?

We implemented Golioth's Bluetooth-to-Cloud connectivity on a battery pack on a commercial power drill. We not only monitored power usage of the drill, we also looked up the location of the most recent gateway we connected through and attached that to the drill's device record.
Chris Gammell -
Read
How To

Battery Monitoring with Zephyr’s Fuel Gauge Subsystem

Fuel gauge ICs offload effort when it comes to taking reliable battery readings and estimating charge and drain times. Zephyr's support for these components makes using them even easier.
Mike Szczys -
Read
News

Golioth Firmware SDK v0.18.0

Golioth released Firmware SDK v0.18.0 which pulls in the recent changes from upstream Zephyr, nRF Connect SDK, and ESP-IDF repositories. We are also introducing new gateway support, adding new supported boards, and improving blockwise transfers.
Sam Friedman -
Read
Cloud

New Pipelines Data Destination: LightDB State

A new Pipelines data destination for LightDB State is now generally available for Golioth users and will enable a range of new bidirectional interactions with 3rd party services.
Dan Mangum -
Read

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Learn how to develop enterprise-grade IoT on the Golioth blog.

Latest Posts

Detecting Text From Images Over A Cellular Link

Chris Gammell - 0
This post and video demonstrate taking a photo with a low power camera and cellular-based microcontroller and transmitting to the cloud for processing. Rick Jen from the Microsoft Azure team shows how to accept those images and work with the Azure AI OCR service to extract useful text and store it in a database.

Managing OTA Updates for Multiple IoT Hardware Variations

Mike Szczys - 0
Get the right OTA update to the correct device every time! Goilioth's firmware update system lets you compile with a custom package name for each different hardware variant, and target the rollout to these devices using Cohorts.

Custom Board, Custom Zephyr Devicetree (AirTag Session 3)

Chris Gammell - 0
Sign up for the AirTag Clone webinar series to watch Golioth build out board definition files for the Orleon board, a Bluetooth sensor platform/playground. The upcoming session on May 23rd will walk through setting up all required build files.

Most Popular

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...

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.

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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