mbed Blog

mbed Connect - Partner and Contributor Conference!

The 1st mbed Connect Partner Meeting will be held on Mon 28th October in Silicon Valley!



The mbed project aims to put in place the right tools, technology and ecosystem for a new audience of professional developers to create ARM embedded and IoT devices on a massive scale.

The mbed Connect Partner Meeting is an invite-only event for key partners, contributors and power users who want to understand, influence and contribute to the future of the mbed project.

The event will be a day of sharing, discussing and defining the roadmap, projects and activities under the mbed project, along with the chance to meet other partners and contributors.


The event will run for a full day, and include:

  • ARM's IoT Vision
  • mbed Project Mission, Announcements, Activities and Roadmap
  • Key Technology and Industry Challenge Discussions
  • New Projects Proposals and Working Group Formations
  • Lightning Talks

The day will be followed by an evening of drinks and further discussion nearby.

Who should attend

Partners - Key technical/strategy representatives enabling developers with their technology

  • This will be companies involved in Microcontrollers, Radios, Sensors, IoT and Cloud services, Development and OEM Boards, Distribution, Prototyping and Manufacturing

Contributors - Developers and Application Engineers who want to contribute to mbed

  • Skilled developers interested in porting and contributing to the SDK, HDK, Component Database, and being involved in the mbed Community, Roadmap and Projects

Power Users - End developers who use mbed in depth to create prototypes and products

  • Developers and companies looking to use mbed to develop real volume products that can provide real-world feedback, suggestions and insights for the mbed project


  • Monday, 28th October 2013
  • 08:30 to 17:30
  • Techmart @ Santa Clara Convention Center, California

This meeting is being held the day before ARM Techcon starts (29th-31st October), so you may want to consider combining your trip.


Please note, this is an invite-only event with limited space, and places must be applied for.

To apply for a place, please fill in the mbed Connect Application Form or contact support@mbed.org

New Platforms Database!

We've now put live another new feature hot on the heels of the Component Database - the mbed-enabled Platforms Database!


We developed this to allow us to support all the mbed-enabled boards that are popping up since we opened up the SDK and HDK for use on 3rd party platforms. You can select any of these boards to use in the compiler for free!

Here are some of the new platforms we support already:


...look out for more appearing soon!

The platforms database currently just contains development boards, but is designed to work with development boards, OEM modules or final hackable products - so it can even be used to reprogram finished end devices.

If you are designing a development board, OEM module or final product, you should consider making it mbed-enabled and take advantage of the mbed tools and ecosystem for free and allow it to connect to all ARM toolchains - email us at support@mbed.org for more information!

New Editor features - Now live

After the release of the Pull requests feature, the focus with the mbed Compiler has shifted towards improving the code editing experience. We are happy to announce a new set of features aimed at enhancing the Editor capabilities in the mbed Compiler. These features are now live.

Here is a sneak peek of the main feature:


Interactive mode

The Interactive mode is a new way to interact with the mbed Editor for easy and quick information lookup about a code element. The mode is triggered by tapping and holding the Ctrl key (Command key on Mac) and moving the mouse cursor over text elements like words, numbers, hexadecimals or even URLs. Valid elements will be underlined when hovered and can be clicked. Depending the element type the Editor will respond differently:

  • If you click a word, the Editor will perform a case-sensitive definition lookup for that word and display up to ten results in a tooltip (like shown on the image above). On top of every result is the definition name and type. Under that is the definition parent, which can also be clicked to perform definition lookup based on the parent name. If an API documentation is present for the the defined element or its parent, then the tooltip will contain a link that opens the API documentation inside the mbed Compiler. Last is the link to the declaration at file:line with a snippet of the declaration code that lets you quickly check the parameters and return type (if any).
  • If you click a number or hex it will display a base convertor for decimal, hexadecimal and binary representation in 1, 2 and 4 byte storage (8, 16 and 32 bits).
  • If you click a URL it will open it in a new browser tab.

The feature shows results based on the existing code saved in your workspace, meaning that the definition results may not reflect the contents of any unsaved files.

To exit the Interactive mode simply release the Ctrl key (Command key on Mac).

Other Editor features

  • Functions defined in stdlib, stdio, math, string and strings libraries will now be colored in dark blue. They will also have description and definition when clicked in Interactive Editor mode.
  • The Editor tabs are now grouped and subtly coloured based on the program each file belongs to, allowing you to navigate easily between files across multiple programs. The Editor will also open new files as last tab in the program group if exists.
  • The Editor tabs now have context menus that let you invoke common operations on them without the need to focus the tab/file.
  • Improved Editor rendering speed when typing and scrolling by 15% to 200%, and by over 260% when doing text selections! It's now possible to edit huge 100k lines files on modern browsers.

Other features in beta

  • The board selection in the mbed Online Compiler has been completely redesigned to a fully featured dialog that gives a detailed information about the platform you are compiling for, including a photo, description and even pinout!
  • The compile progress has been redesigned to reflect the board selection enhancement.
  • The compilation times and the binary sizes have been reduced for large programs.
  • It is now possible to create and edit files with .txt extensions in your workspace. Note that once created these files will become part of your repository.
  • Improved importing speed from 20% to over 300% for programs with more than one library. Especially noticeable when importing library-intensive programs like the Xively's jump start demo
  • URLs in source code on mbed website will now be recognized and turned to clickable links.
  • API Documentation source code will now be highlighted using the mbed code highlighting style. URL links to other API documentation resources will be highlighted as well.
  • Functions defined in stdlib, stdio, math, string and strings libraries will now be coloured in dark blue for all code resources on the mbed website - wiki pages, forums, api documentation, repositories, etc.

Update: Now released!

These changes have now been rolled out to all users.

Announcing the mbed Component Database!

The new mbed Component Database hosts reusable libraries for different hardware, middleware and IoT services that you can use with ARM Microcontrollers. These components can be used as building blocks for quickly developing prototypes and products.

Sensors in the Component Database

Components and the associated libraries, examples and documentation are created and added to the database by mbed developers, component manufacturers and service providers. The goal is to create a database of rock-solid code and resources for many components that can be used with ARM microcontrollers.

The component database can be found at http://mbed.org/components/.

Helping developers

The main benefit of the the Component Database for end users is to provide a reference point for the best available driver library for any supported hardware component.

If a component is in the component database, it should mean that:

1) The component has a library or hello world program available, which also has been tested to work to the degree indicated

2) Any updates or improvements to the software library will also be found in the same place

3) Discussion and questions relating to the component can happen on the component's entry in the database

4) All relevant documentation on the component is collated and linked to from the database entry

If you have created a library for a component, all mbed users are welcome to create an entry for the component, or add the library to an existing entry.

Helping component manufacturers and library developers

The component database is the place for mbed developers to find purchasing information, support links and product datasheets relating to a component.

If you are a component manufacturer, having a component supported in the database is a great way to ensure customers can confidently buy the component knowing that the minimum of time will be needed to integrate it into their design.

Maintaining an mbed library for component(s) can boost the visibility of a manufacturer within the mbed community. Developers then know that they can potentially talk to actual engineers at the manufacturer if needed, which increases the confidence the developer will have in integrating products. <anufacturers may also link to paid support options and contacts to help establish commercial relationships.

What it is, and what it isn't

The Component Database is a public database of components, libraries, and associated documentation. The entries in the database are maintained by component manufacturers and the mbed community.

It is the place to put schematics, pinout diagrams, datasheets, guides, and any other information which is useful to users of the component.

It is not an exhaustive list of all possible variations of a component. Nor is it intended to index 'passive' components such as switches, resistors, antennas, etc. As a guide, a component should only be in the component database if it requires a software library to operate. For example, octopart.com lists over 8 million discrete components. By contrast, the mbed component database is expected to cover more in the region of the low hundreds of components. It includes online services as well as hardware components.

It is not a marketplace for software. Every component can only have one library associated with it. It is up to the community to maintain that single library to be the best possible library serving the needs of the majority of people. This is intended to control fragmentation of libraries into several forks, each of which serve the needs of only a subset of users. We will shortly be adding features to help make this process easier, and welcome feedback in this area.

Adding a component

Anyone can add a component to the database, and edit existing components. Components are not 'owned' by individuals, instead the community is responsible for maintaining the database. A component however is linked to libraries which are owned by an individual, which is then in effect the official maintainer of the library for that component.

To add a component, simply navigate to the category you think the component should be in, and click the 'Add Component' button.

The future

The cookbook wiki will remain freely editable by any mbed developer. However we expect and encourage component support pages to migrate to the component database, providing that the library and documentation are tested, working, and suitable for inclusion in the database. If you migrate a component to the database, you may edit the cookbook page, pointing visitors to it's new home.

We hope the component database will grow to be useful and an important part of the mbed developer website. As always, if you have any questions, comments or suggestions, they are very welcome.

mbed Blog Roundup

A lot has been going on recently at mbed! Here is a roundup of what's been happening:

New Issue Trackers and Pull Requests!

We've been adding some features to make working together on mbed even easier!

You can now add an issue tracker to your repositories. We've already enabled it on the official mbed repositories. read more.

Pull Requests are now being built-in to the workflows and are available in mbed betamode. read more.

CMSIS-DAP debug on all mbed-enabled hardware!

CMSIS-DAP support has been added for all mbed board firmware, so you can now debug your mbed hardware using a range of well known toolchains. read more

We've also released an open source python interface to allow debugging Cortex-M microcontrollers using CMSIS-DAP, either using GDB or your own custom scripts. read more

Professional and Academic Microcontroller Training based on mbed!

Providers of embedded software training Feabhas have chosen mbed as a platform for their professional training courses. read more.

ARM is running a free of charge, one-day microcontroller workshop at the ARM headquarters in Cambridge for academic teaching staff. read more.

mbed Application Board on sale!

The mbed application board went on sale in March and is selling like hotcakes! The credit card size application board provides a variety of peripherals which there are libraries and example code for in the cookbook so it is a great self contained development or training companion. read more.

Xively collaboration for building the Internet of Things!

We've been working with xively (formerly Cosm/Pachube) to launch their new IoT platform and Xively Jumpstart kit so you can rapidly prototype connected devices and co-develop IoT solutions. read more