Noob building a TF534

TF534 - 68030 + More RAM Board (More compatible with amiga hardware)

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Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

https://cults3d.com/en/3d-model/various ... ash-holder

I attached the files here so you don't have to pay if you're part of this group.
Expdoor.zip
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Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

I designed a circuit for a PIC16F628 SMD chip PS2 mouse adapter and CNC-milled it.
PS2-00.jpg
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The PCB has a 0,1 uF decoupling cap on the bottom. Two sided CB milling went fine by aligning by aiming the tip on a via. What looks like rough finish aroudn the traces is reflections.
PS2-01.jpg
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It worked so I built it into an old Logitech wireless mouse dongle. Now I have a wireless optical Amiga mouse.
PS2-02.jpg
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The Z-axis rails have developed a lot of play so I will make a bushing to eliminate it.
Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

I optimized the design to make it as small as practically possible. Ended up with a mirrored USB connector but I fixed taht after the photo was taken. Ready to mill another one now. lol The USB is soldered to the surface on the other side, with the housing tabs through the oval slots.
PS2-03.jpg
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Since the USB pads were mirrored I made a PS2 adapter instead. Giving it away locally.
PS2-04.jpg
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I temporarily tightened up the Z-rails on the CNC by strapping the spindle to the bridge with a strong spring.
Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

Here's as small as I can make it with a SOP18 package (1,27 mm pitch). I also centered the USB and D-sub.
PS2-06.jpg
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Today I redesigned it for SSOP20 (0,65 mm pitch) and made it a lot smaller again. I haven't cut that out yet but it's fun to optimize circuits.
Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

Itty bitty mouse adapter. I don't have the SSOP20 PIC but it should work as the TSOP18 package version worked.
Attachments
PS2-11.jpg
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PS2-12.jpg
PS2-12.jpg (52.44 KiB) Viewed 3548 times
Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

I uploaded the CAD file: https://www.dropbox.com/s/69jsc9j4i0e72 ... 3.zip?dl=0
PS2-15.jpg
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Attachments
PS2-18.jpg
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PS2-19.jpg
PS2-19.jpg (74.74 KiB) Viewed 3490 times
PS2-20.jpg
PS2-20.jpg (79 KiB) Viewed 3490 times
Lynxman
Posts: 180
Joined: Sun Nov 24, 2019 8:09 pm

Re: Noob building a TF534

Post by Lynxman »

I tried putting the TF534 back in the Amiga 2000 along with a CD-ROM. It works. The SD Card is Master and the CD ROM is slave. I didn't think it would work. Long cable too.
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