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!Main function *'''Completly Open source''' ** Hardware and software is open ([cc by-sa|https://creativecommons.org/licenses/by-sa/4.0/]) ** You can modify or build own software functionality ** Arduino compatible chip (ATMEGA2560) *'''Operation system independent''' (Linux, OSX, Windows) *'''CW''' - complete [K3NG code|https://blog.radioartisan.com/arduino-cw-keyer/] ** CLI interface (telnet) or Winkey emulation ** Memory button ** Speed rotary encoder ** Keying from PC com port (DTR/RTS) *'''SSB''' ** Switch TX audio between Microphone (Foot switch PTT) and USB Audio (com PTT) ** Playing audio memory from PC *'''FSK''' (RTTY) ** from three source ***Serial com port (DTR/RTS) - [EXTFSK|https://hamsoft.ca/pages/mmtty/ext-fsk.php] ***Serial com port ASCII (telnet) ***Three button memories ** Sidetone ** Decoding TX signal during transmit from [EXTFSK|https://hamsoft.ca/pages/mmtty/ext-fsk.php] *'''DIGI Modes''' ** Adjust TX volume buttons ** Adjust RX volume potentiometer ** Isolated audio path with two transformers *'''CAT''' ** Support TTL (Icom) and 232 level (Kenwood, Yaesu) ** Own serial to USB interface with internal USB HUB *'''Band decoder''' ** Support Icom, Kenwood, Yaesu CAT ** Sniffing TRX to PC communications or automatically own request ** Outputs *** TTL level BCD *** CAT on ACC connector - CI-V, Kenwood/Yaesu (need TTL/232 converter) *** IP output (in future) *'''OTHER''' ** INTERLOCK - switches OFF all PTT signals, defined by Sequencer delay ** Galvanically isolated USB to PC - four independent ground *** PC *** Transceiver *** RX audio *** TX audio ** micro SD card slot for future use (save config) ** Ethernet module ** two type PA PTT output *** Relay - isolated but 5ms latency *** Open collector - quick ** ACC connector (HDMI type) with *** Serial line *** I2C *** PWM *** Analog inputs *** Digital in/out
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