Difference between revisions from 2016/12/09 10:02 and 2014/11/20 13:22.!Front side
[http://www.remoteqth.com/img/wiki-oi26-panel.png|noborder]
* '''KEYER''' - CW speed potentiometer.
* '''SET''' - button menu of CW keyer.
* '''1-3''' - memory button (hold 1 or 2, switches CW output between CW/PTT 1 and 2).
* '''CW''' - red light LED.
* '''PTT''' - green light LED.
* '''FSK''' - blue light LED.
* '''X''' - green light LED (reserved outputs from Arduino).
* LCD - shown menu CW keyer and played characters.
* '''+''' - increase transmit audio volume button.
* '''-''' - decrease transmit audio volume button.
* '''M''' - mute transmit audio button.
* '''RX audio''' - receive audio volume potentiometer.
!Back side
[http://www.remoteqth.com/img/wiki-oi26-back.png|noborder]
* '''MIC''' - 3,5mm jack Microphone input.
* '''RADIO''' - DB25 female connector for Radio.
## +13,8V (150mA) power input.
## CAT CTS.
## CAT TXD / Icom CI-V.
## not use.
## USB D+.
## AGNDC.
## TX isolated.
## PTT1 out '''(max 50V/400mA).'''
## CW1 out '''(max 50V/400mA).'''
## FSK out '''(max 50V/400mA).'''
## MIC input.
## TX audio.
## RX audio.
## Ground.
## CAT RTS.
## CAT RXD.
## USB +5V.
## USB D-.
## RX isolated.
## PTT2 out '''(max 50V/400mA).'''
## CW2 out '''(max 50V/400mA).'''
## reserved out '''(max 50V/400mA).'''
## Foot sw input.
## TX audio GND.
## RX audio GND.
* '''PA PTT''' - Cinch PA PTT output '''(max 50V/400mA).'''
* '''USB PC''' - isolated USB connect to PC.
* '''FOOT SWITCH''' - Cinch foot switch input.
* '''PADDLE''' - 6.3 mm stereo jack CW paddle input.
* '''12V DC''' - Arduino DC power only - not use.
* '''KEYBOARD''' - USB A female connector for USB keyboard (with Arduino Mega-ADK only)
* '''ARDUINO USB''' - non isolated USB for Arduino firmware upload only.
* '''DTR/RTS''' - DTR/RTS outputs ON/OFF - because the specifications of winkey defines default as ON, you need to have the ability to disable the outputs.
!Block diagram
[http://www.remoteqth.com/img/wiki-open-interface26-blok.png]
!Cable
*[Icom|http://remoteqth.com/hw/openinterface-icom.pdf]*[Icom|https://remoteqth.com/hw/openinterface-icom.pdf]
*[Kenwood TS-480|http://remoteqth.com/hw/openinterface-kenwood-ts480.pdf]TS-480|https://remoteqth.com/hw/openinterface-kenwood-ts480.pdf]
*[Elecraft K2|http://remoteqth.com/hw/openinterface-k2.pdf]K2|https://remoteqth.com/hw/openinterface-k2.pdf]
!Preset jumper
[http://www.remoteqth.com/img/wiki-open-interface26-jp-plan.png|noborder]
* '''JP2''' - switch DTR between FSK or CW outputs.
* '''JP1''' - switch CAT interface between Icom CI-V and Kenwood/Yaesu UART.
* '''JP3''' - acess DC to your microphone (short) - suitable for electret microphone.
* '''JP4''' - Analog ground for codec - default short.
!Keyer control
more about firmware and keyer control on [author website.|http://blog.radioartisan.com/arduino-cw-keyer/]
* Firmware [keyer_pin_settings.h|http://remoteqth.com/download-count.php?Down=hw/open-interface26-pins.h][keyer_pin_settings.h|https://remoteqth.com/download-count.php?Down=hw/open-interface26-pins.h]
!Configure control software
After connect power on DB25 back side connector and plug usb, windows find device and install it
[http://remoteqth.com/img/wiki-open-interface-win-1.jpg][https://remoteqth.com/img/wiki-open-interface-win-1.jpg]
After reboot show two serial COM and USB codec in device manager
[http://remoteqth.com/img/wiki-open-interface-win-2.jpg][https://remoteqth.com/img/wiki-open-interface-win-2.jpg]
* [Winkey in wintest configuration|Open Interface Winkey configuration]
* [FSK in MMTTY configuration|Open Interface FSK configuration]
* [Fixing a bricked FTDI chip]
!! Kenwood CAT
with [FTDI FT-PROG|http://www.ftdichip.com/Support/Utilities.htm] you can set invert RXD and TXD
[http://remoteqth.com/img/wiki-oi-ftprog.png][https://remoteqth.com/img/wiki-oi-ftprog.png]
![How to assemble the DYI case|Assemble case for Open interface]
[http://remoteqth.com/img/wiki-case-20b.jpg|link=Assemble[https://remoteqth.com/img/wiki-case-20b.jpg|link=Assemble case for Open interface]
![PCB assembly Manual|Open interface assembly manual]
[http://www.remoteqth.com/img/wiki-open-interface26-plan-b.png|link=Open interface assembly manual]
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Development-> [Open interface III]