Version 2.5 (Hardware revision 2.0)

This firmware update implements a proper automatic keyer. In particular supporting the iambic mode B.

Version 2.2 (Hardware Revision 2)

Changes to FW version 2.1:

• Added iambic mode B and paddle reversal (for left handed).

Note:

• Flash both, first the firmware and then the EEPROM content.
• If you flash a brand new MCU, set the fuses low=0xE2, high=0xD9 first.

Version 2.1 (Hardware Revision 2)

Fixed keyer.

Version 2.0 (Hardware revision 2)

Intel HEX files of the firmware and the EEPROM image for the ATMEGA 328P (If you use a different MCU, you may need to recompile the firmware from sources).