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June 30, 2026

CAN Bus for Automotive IoT: From OBD-II to the Cloud

Automotive CAN bus carries everything from RPM to battery state. Learn to tap it, decode the frames, and stream vehicle data to the cloud with Notecard.

April 2, 2025

JSON and JSONata Explained: Structure, Syntax, and Data Transformation

A developer's guide to JSON structure and data types, plus how to query and transform JSON with JSONata.

March 19, 2025

Routing IoT Data to Adafruit IO (and Beyond)

Learn how to use Notecard and Notehub to route collected sensor data for visualization (and more) on Adafruit IO.

March 11, 2025

Sending Your IoT Data to a Cloud Platform

An introduction to the how and why of syncing your IoT data with the cloud.

November 19, 2024

6 Common IoT Transport Protocols: HTTP, MQTT, CoAP, and More

A developer's guide to the six most-used IoT transport protocols — HTTP, MQTT, TCP/IP, UDP, CoAP, and Matter — and how to choose between them.

August 30, 2024

Understanding and Using Web Services in the IoT

Learn more about web services and why they are vital as a pathway to the cloud in the IoT.

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