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The Firmata protocol is designed to be extended, the Proposals page is the place to propose new extensions. See the Protocol page for the current version.

version 2.3

Changes from v2.2 to v2.3

  • removed angle from servo config
  • added Arduino Leonardo to Boards.h
  • added MEGA2560 to Boards.h
  • added I2C pins to Boards.h
  • modified examples to be compatible with Arduino 0022 and 1.0 or greater
  • removed I2CFirmata example
  • changes to StandardFirmata:

version 2.2

Changes from v2.1 to v2.2

version 2.1

Changes from v2.0 to v2.1

  • added I2C support
  • added support for changing the sampling interval
  • added Servo support
  • added Shift Register support

version 2.0

Changes from v1.0 to v2.0

  • changed to 8-bit port-based digital messages to mirror microcontroller ports from previous 14-bit ports modelled after the Arduino
  • switched order of version message so major version is reported first

version 1.0

Changes from earlier versions

  • switched to MIDI-compatible packet format (though the message interpretation differs)

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