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.
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.
Your target hardware can be in a different part of the world while you develop your Zephyr app. Segger tunnel mode on the J-Link programmer means it doesn't matter if your hardware is on the desk in front of you, or back at the office.
