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@kinmami |
@tyama501 Yamada-san thanks very much |
Thanks again! Maybe I will order mini DIN9 type since I don't have the one for my PC-9801BX. Please tell me if the code doesn't work for your system :) |
Hello @kinmami Thank you for the reporting and great photos! All of your USB PS/2 mouse didn't work? My BUFFALO USB mouse worked but th Dell one didn't. ( I don't know the Dell mouse supported PS/2 but...) Maybe there are some differences for the USB type that I don't know. Thank you. |
Hello 山田さん Tested:
Native PS/2 mice work. Tested:
Thank you |
Hello Edoardo, I couldn't find the general document describing how the D-/D+ is assigned to PS/2 signals. I used an attachment with the BUFFALO USB mouse and it worked, but I didn't actually check the connection. I am assuming there are some differences for detecting and start PS/2 protocols instead of USB. Thank you. |
OK. thanks for the confirmation. Schematic and layout are correct after all. Most probably it is due to the non-standard protocol that some USB mice implement. |
I have released the standard layout version for common Arduino Mini Pro at https://www.pcbway.com/project/shareproject/NEC_PC_98xx_serial_mouse_adapter_from_PS_2_Mini_DIN_6_USB_A_to_DE_9_Standard_32bc41de.html |
Great! That can be made outside Japan. Thank you! |
thanks for your initial idea and effort into development |
Hello Yamada-san,
I have designed and shared a PCB for your project.
https://www.pcbway.com/project/shareproject/NEC_PC_98xx_serial_mouse_adapter_from_PS_2_Mini_DIN_6_USB_A_to_Mini_DIN_9_d6c5232a.html
I have added a double-footprint to accomodate an USB-A and Mini DIN 6 as well.
In addition removing the Arduino's LDO, D0 can easily connect the (power)LED.
All Arduino's solder jumpers must be OPEN.
Thanks for your fantastic contribution!
Cheers,
Edoardo from Tokyo
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