1.2.2 (April 26th, 2019)

This version supports microcontrollers which have less memory than RAVEN, ARM® Cortex™-M4 or higher, RAM:256kB or more, Flash:1MB or more, and equipped with Wireless LAN.

※ Contact our support ([email protected]) for supported microcontroller boards.

※ This version does not support RAVEN. The latest RAVEN-supported version is 1.2.1.


  • Firmware update is now supported by the above microcontroller boards.


  • Fixed the issues which caused communication to fail after deploying flows repeatedly on a microcontroller board.


  • N/A

Known Issues

  • Regular Wireless network disconnections during status notification may lead to the device losing communication. Lost communication may remain even after the Wireless network connection has recovered.
    • Restart to recover

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