Firmware update customer display vCOM with Futaba VFD tube and interface USB. Recent changes have been implemented in version 1.40, which was added emulation of COM-port USB-protocols. With versii1.35 firmware only compiled by the microcontroller ATmega32U4. Recent changes to the customer display with VFD tube Futaba and a USB interface for microcontroller ATmega8515 were made in version 1.30, where there were errors in the principle of line mode in the protocols for the VFD tube. To date, the firmware displays the buyer with the VFD tube and a USB interface for microcontroller ATmega8515 not supported
The whole history of versions can be found here >>