Download Espruino

ChangeLog - Please follow us on  Twitter to be notified when new versions are released.

Web IDE downloads are available here

While Espruino can be downloaded onto many other boards, the boards we make come pre-installed with Espruino and can be easily updated straight from our Web IDE. If you want something that 'just works', or just want to support what we're doing then please try Espruino on one of them!


Find a binary

Choose your board from the list below to see the firmwares available for download:


Cutting edge

We try to release new versions of Espruino every few weeks. However if you can't wait that long,  you can get versions that are compiled directly from the GitHub repository after each commit.

For most boards (including all official Espruino boards), you can download the absolute latest binary using the 'finder' above or directly from You can also browse by Git commit hash.



Please see the Firmware Update page for official Espruino boards/devices, or check out the Other Boards page.

After You have Flashed Espruino, see Quick Start for instructions on how to get started!


In order to provide extra functionality, most builds of Espruino include some other Open Source libraries. These are listed (with licenses) in the licenses.txt included in each distribution ZIP