New External Floppy Enclosure

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DominoTree
Posts: 91
Joined: Fri Sep 25, 2020 2:47 am

Re: New External Floppy Enclosure

Post by DominoTree » Sun Dec 27, 2020 6:33 pm

Made a couple revisions to fix bugs, and one other change - the main board now has a few more floppy pins broken out to the smaller ribbon cable - the idea is that I can make adapters for multiple systems which used external floppies (primarily Amiga) without having to make changes to the "base" unit. Should have new boards in hand in about a week for further testing.

If everything looks good I'll put a case around the thing and call this basic version "done" and figure out how to make them available

DominoTree
Posts: 91
Joined: Fri Sep 25, 2020 2:47 am

Re: New External Floppy Enclosure

Post by DominoTree » Fri Jan 01, 2021 2:03 am

Switched to some new pins that should fit more securely in the floppy port - $0.66/ea if you buy them individually but these were the cheapest ones that had good dimensions :o
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Screenshot_2020-12-31 5233-0-00-15-00-00-08-0 Mill-Max Manufacturing Corp Connectors, Interconnects DigiKey.png
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beel1
Posts: 47
Joined: Mon Feb 25, 2019 10:36 pm

Re: New External Floppy Enclosure

Post by beel1 » Fri Jan 01, 2021 12:51 pm

Very nice!
If I thought about this before buying Goteks for my STs I would have made a Ultrasatan-mini-style FlashFloppy, with a STM32 and an Oled display :D

DominoTree
Posts: 91
Joined: Fri Sep 25, 2020 2:47 am

Re: New External Floppy Enclosure

Post by DominoTree » Sat Jan 16, 2021 1:17 am

It's alive! Tested with a 12V OEM Atari drive, 5V "modern" Alps drive, and an HxC floppy emulator. Still need to put a bit more polish on it but we're almost there!
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exxos
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Re: New External Floppy Enclosure

Post by exxos » Sat Jan 16, 2021 6:10 am

:bravo:
https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?

DominoTree
Posts: 91
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Re: New External Floppy Enclosure

Post by DominoTree » Thu Jan 21, 2021 8:51 pm

I *finally* got the one model number of pin sold between DigiKey and Mouser that fits well and is long enough to go through the PCB to make it easy to assemble and sturdy. It all fits like a glove.

Been using this prototype very heavily for a couple of weeks across multiple drives, new and old, and it's been rock-solid.

Should have the final PCB revisions here in about a week, and if they work I'll put a 3d-printed case around them and put the plans up and make them available for sale. I've had quite a bit of interest on the Facebook groups, but I'm not sure if anyone here would be interested. Final cost, fully tested and assembled, with 3d-printed case and 12V power supply should be around $25-$30USD, plus shipping.

Hopefully we can bring some 520STs back into the fold with these - and make life easier for anyone else who wants an external floppy :D
adapter1.jpg
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exxos
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Re: New External Floppy Enclosure

Post by exxos » Thu Jan 21, 2021 10:19 pm

Nice! :thumbup:
https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?

DaveC
Posts: 31
Joined: Fri Sep 18, 2020 6:24 pm

Re: New External Floppy Enclosure

Post by DaveC » Thu Jan 21, 2021 10:27 pm

I'd be interested in one.

davemacblack
Posts: 9
Joined: Fri Sep 15, 2017 11:53 am

Re: New External Floppy Enclosure

Post by davemacblack » Fri Jan 22, 2021 8:36 am

It looks really good.
DominoTree wrote:
Thu Jan 21, 2021 8:51 pm
I *finally* got the one model number of pin sold between DigiKey and Mouser that fits well and is long enough to go through the PCB to make it easy to assemble and sturdy. It all fits like a glove.
@DominoTree Can you please tell the pin model number? I've been trying different for a while, but I still can't find the right one.
Thanx

tzok
Posts: 276
Joined: Sat Dec 30, 2017 2:27 pm

Re: New External Floppy Enclosure

Post by tzok » Fri Jan 22, 2021 11:04 am

DominoTree wrote:
Fri Jan 01, 2021 2:03 am
Switched to some new pins that should fit more securely in the floppy port - $0.66/ea if you buy them individually but these were the cheapest ones that had good dimensions :o
I was using pins from DEGSON DG333J-3,5 connectors. They were way less expensive.
https://www.conrad.com/p/ptr-pin-strip- ... pcs-732191

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