Last week, all but one of the parts to assemble the IC-7300 external keyboard arrived. The missing part is the 8pin screw connector, but I can actually do without that. The finish may not be as nice, but it does allow me to test the prototype. And you know what? It worked! 😉
Although I am very pleased with the result, I have found some things that can be done differently:
- If I change the size of the rubber feet from 13mm to 11mm I can fit the 3 “PJ-324” connectors next to each other on the right side.
- On the left side, this will give me enough space to place 2 8P8C connectors (also known as RJ45 connectors). These connectors will make it easier to connect the microphone cable and will give the keyboard a more professional looking finish.
- The PTT will be vertically centralised, between the Up and Down button
- The memory buttons will be placed in the 4 corners around the PTT button.
- changes the name from IC-7300 keyboard to External Keypad for Icom Radios as I’ve noticed there are al lot of Icom radios that share the same connectors and resistor values. (Like e.g. the IC-9700 and the IC-7600)
This gives us something like this:
When the 8P8C connectors arrive, and I can check if I made the footprints correctly, I’ll order some PCB’s to make some keyboards for our local ham radio club members.
UPDATE: the 8P8C connectors that I ordered did not fit. I had to change the footprint.
To be continued 😉