Open Interface III

is open hardware for any Arduino code for running your own hack - also standart interface between transceiver and computer with keyer for Arduino based on K3NG code and many others.

Download firmware
Last update: January 01 1970


Main functions:

Block diagram III

Circuit III

Block diagram rev 2.6

Circuit rev 2.6

Short menu intro


Revision 3
v3.141 sch brd1   215 pcb [20MB] kicad18 dxf.zip18 block
v3.14 sch brd pcb [17MB] kicad14 dxf.zip9 block
v3.1 sch brd pcb [17MB] kicad10 dxf.zip10 pic1   2   3
v3.0 sch brd pcb [16MB] kicad10 dxf.zip11 pic   panel
Arduino firmware
experimental code Last update: January 01 1970
3D print component
LCD mount l.stl19 r.stl23 .scad21 3D preview
Pot mount .stl14 .scad20 3D preview
Revision 2
v2.6 sch brd kicad12
Arduino firmware
by K3NG source doc pins.h22
v2.6 full.DXF10 DXF4cutter8 wiki
Design front-panel.svg sticker.svg
USB isolator view .scad19 .stl17 3D preview
We believe open source is a better way of doing things.
View and download the Shield Schematic and PCB Kicad/Eagle CAD files,
LibreCAD .DXF, or Inkscape .SVG files.
The hardware designs are released under the
Creative Commons Attribution-ShareAlike 4.0 International License