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[FS] Sega Trackball pcb 837-8586 reproduction

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kold666 View Drop Down
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    Posted: 27 May 2019 at 11:26am
I made a reproduction of the System 16 / System 32 trackball interface for use with some games like Sega Sonic,  SDI, Dunk Shot, Where is Wally

Form factor is taken from the System 32 version  but you can plug without problems on the system16.

There are a couple of improvements such as separate connectors for each players in addition to the standard 26 pins connector and the support for 4 players which is a feature of the System16 version ( Dunk Shot).
I put also an optional LED just for fun ;)

You need few components: some resistors and caps, 1x 74ls02, 1x 74ls138 and the UPD4701 encoder which you can find from utsource for few dollars.
I Will give the BOM to the purchasers.

Since each UPD4701 handles one player, if you plan to play alone or in two, you can buy only the quantity of this IC for your needs.

Price for the naked pcb ( not assembled )  is 15 euros + shipping.








Edited by kold666 - 14 Feb 2020 at 6:07pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2019 at 8:31am
Made a new batch of pcbs due to some requests

3 pieces available
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2019 at 12:27pm
SOLD all 3 pieces available.

I can put another batch in production in some weeks if I get some interest
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 26 Nov 2019 at 2:04pm
2 pieces again available
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Dec 2019 at 11:19am
out of stock
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2020 at 6:08pm
1 piece available
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Post Options Post Options   Thanks (0) Thanks(0)   Quote r-type Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2020 at 7:20pm
PM Sent.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote kold666 Quote  Post ReplyReply Direct Link To This Post Posted: 15 Feb 2020 at 8:28pm
out of stock
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