BLE development, made practical

Build BLE products with less friction.

BleuIO is a USB dongle that gives developers a simple AT command path to Bluetooth Low Energy. Plug it in, scan nearby devices, connect, and start testing your idea.

Explore BleuIO See how it works
YOUR BLE WORKBENCH Blue BleuIO Pro Bluetooth Low Energy USB dongle
ScanDiscover devices
ConnectTalk to your target
AT command interface
Cross-platform development
Real BLE hardware
Projects & documentation
Four options. One simple workflow.

Pick your BleuIO. Start building.

Choose Bluetooth 5.2 Pro or Bluetooth 5.0 Standard, in your preferred color.

PRO · BLUETOOTH 5.2BleuIO Pro Blue USB Bluetooth Low Energy dongle
Bluetooth 5.2 · Advanced BLE development

BleuIO Pro Blue

A powerful BLE development tool in signature BleuIO blue. Explore, test and build advanced wireless applications through simple AT commands.

  • Bluetooth 5.2 with extended advertising
  • 2 Mbit/s PHY support
  • 32 Mbit QSPI flash and programmable LED
$35.00
Product details
PRO · BLUETOOTH 5.2BleuIO Pro White USB Bluetooth Low Energy dongle
Bluetooth 5.2 · Advanced BLE development

BleuIO Pro White

All the advanced BleuIO Pro capabilities in a clean white finish, ready for prototypes, testing setups and engineering projects.

  • Bluetooth 5.2 with extended advertising
  • 2 Mbit/s PHY support
  • Simple AT command workflow
$35.00
Product details
STANDARD · BLUETOOTH 5.0BleuIO Black USB Bluetooth Low Energy dongle
Bluetooth 5.0 · Everyday BLE development

BleuIO Black

A straightforward way to scan, connect and communicate with BLE devices. Ideal for getting productive with Bluetooth Low Energy.

  • Bluetooth 5.0 connectivity
  • 1 Mbit/s PHY support
  • Easy prototyping and serial AT commands
$24.99
Product details
STANDARD · BLUETOOTH 5.0BleuIO White USB Bluetooth Low Energy dongle
Bluetooth 5.0 · Everyday BLE development

BleuIO White

The simple BleuIO development experience in white. Plug in, issue AT commands and start working with BLE peripherals.

  • Bluetooth 5.0 connectivity
  • 1 Mbit/s PHY support
  • Works with Windows, macOS and Linux
$24.99
Product details
Pro: Bluetooth 5.2, 2 Mbit/s, extended advertising   ·   Standard: Bluetooth 5.0, 1 Mbit/sBuying for a team? Request a quote
Two dongles. One development setup.

BleuIO developer bundles

Pair BleuIO Pro with BleuIO Standard. Each bundle contains one of each dongle.

BleuIO Pro White+BleuIO White
WHITE COMBO

BleuIO White Duo

1 × BleuIO Pro White
1 × BleuIO White

Pro + Standard · 2 dongles
Explore included products
BleuIO Pro Blue+BleuIO Black
BLUE + BLACK COMBO

BleuIO Developer Duo

1 × BleuIO Pro Blue
1 × BleuIO Black

Pro + Standard · 2 dongles
Explore included products
Less setup. More development.

From plugged in to building in a few simple steps.

BleuIO gives you direct access to Bluetooth Low Energy functions through easy-to-use AT commands. Work in a serial terminal, your own application, or the BleuIO Web App.

01
Plug in BleuIOConnect the USB dongle to your computer or compatible host.
02
Send AT commandsScan for peripherals, connect, and test BLE interactions.
03
Build your applicationBring BLE functionality into Python, JavaScript, and other workflows.
Explore getting started guide
BLE command explorer

Select a command to see a simplified demonstration.

> Smart Sensor Devices AB DA14695 BleuIO Pro Firmware Version: 1.0.7.1 Dual role Not Connected Not Advertising

Demonstration only. Outputs for scanning and connecting depend on nearby devices and parameters.

Watch BleuIO in action

See how simple BLE development can be.

New to BleuIO? Watch the product overview to see how the USB dongle fits into real Bluetooth Low Energy development—then explore the documentation or choose your dongle.

  • Understand the BleuIO workflow
  • Explore what you can build with AT commands
  • Get started with your own BLE project
Read the getting started guide

BleuIO product overview · Play the video to learn how it works.

Fits your workflow

Develop on familiar platforms.

Use BleuIO across major desktop operating systems and developer workflows. Explore projects with popular embedded boards, then find BleuIO through our distributors and partners.

Operating systems & development tools

Develop and experiment using familiar environments and languages.

Embedded boards & ecosystems

Discover BleuIO examples and projects with popular embedded hardware.

Products & distributors

Find BleuIO products through our distributors and partners.

Platform and ecosystem logos indicate supported host workflows or published examples; check the relevant documentation for board-specific integration requirements. Distributor logos link to sellers.

Explore BLE projects and integration examples
Built for real BLE projects

One dongle. Many possibilities.

Whether you're learning Bluetooth Low Energy or developing a commercial connected product, BleuIO helps shorten the path from an idea to a working proof of concept.

Scan & debug

Discover nearby BLE peripherals, inspect signals, and test connection behavior without starting with a full application stack.

Prototype & integrate

Build sensor gateways, embedded proofs of concept, and connected applications using familiar development environments.

Learn & experiment

Explore BLE concepts using hands-on examples, ready-to-try commands, and practical developer tutorials.

For engineering teams & product makers

Developing BLE for your business?

Ask about product-specific programming, custom configuration and branding, or discuss the quantity and hardware requirements of your next project.

Request a quote
Practical inspiration

See what developers are building.

Real tutorials and sample applications to help you go from your first AT command to a working Bluetooth project.

Scanning HibouAir Sensors with CircuitPython, BleuIO and the Cytron MOTION 2350 Pro
BLE tutorial

Scanning HibouAir Sensors with CircuitPython, BleuIO and the Cytron MOTION 2350 Pro

View project
Send BLE Air Quality Data to Cloudflare D1 with Python and BleuIO
BLE tutorial

Send BLE Air Quality Data to Cloudflare D1 with Python and BleuIO

View project
Running a HibouAir BLE Air Quality Scanner on Adafruit Fruit Jam with BleuIO
BLE tutorial

Running a HibouAir BLE Air Quality Scanner on Adafruit Fruit Jam with BleuIO

View project
Explore more projects
From the developer community

Built for projects that matter.

Feedback already shared on the BleuIO website.

★★★★★

“Purchased this dongle for one of my projects. Everything works, buy with confidence.”

Ulf Söderberg
Founder, Söderberg Software AB
★★★★★

“BleuIO is an excellent dongle that helped me integrate BLE5 devices in an industrial setup. I will be using BleuIO from now on.”

Alexandre Monti
Electronics engineer and system architect