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Technical articles on everything in the Internet of Things, from Arduino to Zephyr. Written by developers, for developers.

February 18, 2026

How to Upload Binary Data Through the Notecard with Python SDK

Learn how to rapidly upload binary data to a remote server with Notecard and Notehub using the note-python SDK.

Alex BucknallStaff Developer Experience Engineer

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Notecard Disconnected

Having trouble connecting?

Try changing your USB cable as some cables do not support transferring data. If that does not solve your problem, contact us at support@blues.com and we will get you set up with another tool to communicate with the Notecard.

Advanced Usage

The help command gives more info.

Connect a Notecard

Use USB to connect and start issuing requests from the browser.

Try Notecard Simulator

Experiment with the Notecard's API on a Simulator assigned to your free Notehub account.

Welcome to the Blues Developer Blog

How to Upload Binary Data Through the Notecard with Python SDK

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Welcome to the Blues Developer Blog

How to Upload Binary Data Through the Notecard with Python SDK

Introducing Blues Notecarrier CX - Carrier and Host MCU in One Board

Detecting Inactive Devices With Notehub Smart Fleets

Using Blues Mojo to Measure Power Usage—A Case Study

Level Up Your IoT Fleet with the Latest from Notehub

Introducing the Notecard ESP-IDF Component

Introducing Blues Expert - AI Tools for Notecard and Notehub Development

Welcome to the Blues Developer Blog

How to Upload Binary Data Through the Notecard with Python SDK

Introducing Blues Notecarrier CX - Carrier and Host MCU in One Board

Detecting Inactive Devices With Notehub Smart Fleets

Using Blues Mojo to Measure Power Usage—A Case Study

Level Up Your IoT Fleet with the Latest from Notehub

Introducing the Notecard ESP-IDF Component

Introducing Blues Expert - AI Tools for Notecard and Notehub Development

Blues Developer Newsletter

Welcome to the Blues Developer Blog

How to Upload Binary Data Through the Notecard with Python SDK

Introducing Blues Notecarrier CX - Carrier and Host MCU in One Board

Detecting Inactive Devices With Notehub Smart Fleets

Using Blues Mojo to Measure Power Usage—A Case Study

Level Up Your IoT Fleet with the Latest from Notehub

Introducing the Notecard ESP-IDF Component

Introducing Blues Expert - AI Tools for Notecard and Notehub Development

Blues Developer Newsletter