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The chip partner FTDI cable

 
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mdavej
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Joined: 08 Oct 2003
Posts: 3572

PostPosted: Sun Sep 13, 2015 10:23 pm    Post subject: The chip partner FTDI cable Reply with quote

The chip_partner cable has TX/RX lights and the existing connector can be made into a 6 Pin with some glue and heat shrink. The cable costs about $10 shipped and takes about 2 weeks to arrive from China.
http://www.ebay.com/itm/261101529602



The color codes for the chip_partner cable are:

pin - color - type
1 - (empty):VDD
2 - Yellow:RTS
3 - Black:GND
4 - Green:TXD
5 - (empty)
6 - White:RXD
Blue:CTS (not connected)
Red:5V (not connected)

If you need to make it work with older EEPROM based JP1 remotes, use this $10 EEPROM programming adapter:
https://www.diygadget.com/jp1-1-1-1-2-1-3-cables/107-jp1-2-1-3-to-jp1-adapter.html

If you want a 6-pin plug for the end, click here:
http://www.hifi-remote.com/forums/viewtopic.php?t=14952

The following pic shows how the pins are numbered for the 6-pin connector in the remote itself:



This video shows you how to connect the cable:
https://www.youtube.com/watch?v=cLYzsh-usTo

See this for other cheap cable sources:
http://hifi-remote.com/forums/viewtopic.php?t=16200
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fkngstpd



Joined: 08 Sep 2015
Posts: 5

PostPosted: Wed Sep 23, 2015 6:46 pm    Post subject: Reply with quote

Robman: Thank you very much for all the help. I will try to do the upgrade on my comcast remote for fun! Sorry I didnt realize it was your upgrade I was talking about for the DV75 Very Happy Embarassed

mdavej: awesome, thanks for the link. I ordered the chip_partner one from ebay Cool I will do some searching and see if I can figure out the configuration of the pins and how to make it into the 6pin connector. But, if you have a link for a better description on how to do so I would really appreciate it. Ill check back later.

Thank you guys, you both rock! Im loving this JP1 stuff, its cool.
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mdavej
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Joined: 08 Oct 2003
Posts: 3572

PostPosted: Wed Sep 23, 2015 9:18 pm    Post subject: Reply with quote

Just added a link called "(Click for Pinout)" to the first post of the Where to Buy thread linked earlier.

http://hifi-remote.com/forums/viewtopic.php?p=108684#108684
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The Robman
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Joined: 01 Aug 2003
Posts: 18097
Location: Chicago, IL

PostPosted: Wed Sep 23, 2015 10:55 pm    Post subject: Reply with quote

Hey Dave, I decided to buy one of these cables too, just so once I figured it out I could help others, and it just arrived today.

First, I tried using the color pinouts from one of Tommy's docs, but that didn't work, then I followed your link and used the pinout from Revwillie's post and that didn't work, so I tried the one from nejpski's post and that didn't work either. In RMIR I always started with auto detect, then I tried each of the other options. In most cases, it says downloading and the lights flash on the interface, but I always got the "no remotes found" popup.

I downloaded the latest FTDI drivers from their web site, and I am testing this with a URC-8820 with batteries in it, in case any of that makes a differences.
http://hifi-remote.com/forums/dload.php?action=file&file_id=11199
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Please don't PM me with remote questions, post them in the forums so all the experts can help!


Last edited by The Robman on Thu Sep 24, 2015 10:56 pm; edited 3 times in total
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mdavej
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PostPosted: Thu Sep 24, 2015 3:11 pm    Post subject: Reply with quote

Fast flashes or slow? Virtual driver?
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3FG
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Joined: 19 May 2009
Posts: 3219

PostPosted: Thu Sep 24, 2015 4:33 pm    Post subject: Reply with quote

Rob,
Do you really mean URC-8810N? Or URC-8820N? There is a URC-8810 sold in Europe by OFA, but I don't think we know anything about it. Regarding the URC-8820N, I suppose that someone has tried the chip-partner cable with JP1.2 remotes, but I don't know that for sure.
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The Robman
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PostPosted: Thu Sep 24, 2015 5:48 pm    Post subject: Reply with quote

I knew I would get the model number wrong, that's how rusty I am with this stuff, and when I went to check the model number on the battery cover, I found that the cover came from a URC_6131N ! Smile So yeah, the one that's basically the same shape as that, is that the 8820N ?

The flashes looked normal, and RMIR said it was downloading, but then it stopped and said no remotes.

And I was just attaching the wires to the pins individually, using the single connectors that it comes with. My intention was to throw a regular IDC connector on there, as I still have loads of them, but obviously I need the right pinout first.

And I am assuming that pin1 is still the one with the "cutout" in the border around the 6-pin, so top right corner as you look at it in the 8820.
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Rob
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3FG
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Joined: 19 May 2009
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PostPosted: Thu Sep 24, 2015 6:51 pm    Post subject: Reply with quote

I'd use the 983 command to get the signature. Then we'll at least know which remote you're working with. Maybe Vicky can help with the pinout for a 8820. I'll check tonight on some JP1.3 remotes.
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vickyg2003
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Joined: 20 Mar 2004
Posts: 6946
Location: Florida

PostPosted: Thu Sep 24, 2015 7:27 pm    Post subject: Reply with quote

3FG wrote:
Maybe Vicky can help with the pinout for a 8820. I'll check tonight on some JP1.3 remotes.


I dont have a clue as to what a pinout is, lol. The notch in the outline is still pin 1. There are two 8820n jp1.2 remotes that look like the 6131n. The can be differentiated by the colors of the oneforall logo or the signature. Then there is another URC 8820 that is some kind of cable remote that has one of the newer interface types jp2 i think but i am not sure.
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Remember to provide feedback to let us know how the problem was solved and share your upgrades.

Tip: When creating an upgrade, always include ALL functions from the oem remote, even if you never plan on assigning them to a button. Complete function lists makes an upgrade more helpful to others.
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The Robman
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PostPosted: Thu Sep 24, 2015 8:59 pm    Post subject: Reply with quote

lol, I don't need to blink it back, it's the One For All 8820


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Rob
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Last edited by The Robman on Thu Sep 24, 2015 10:59 pm; edited 1 time in total
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The Robman
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Location: Chicago, IL

PostPosted: Thu Sep 24, 2015 9:28 pm    Post subject: Reply with quote

so here's what I did, I went back to Tommy's doc on the FTDI cable and made a note of which color he was attaching to each pin, then I went to the FTDI spec to see what each color wire is, then I went to the ebay listing to see what color coding they use and I got to the right combination, which turns out is the combination that Revwillie posted, so I don't know why it didn't work before, but it works now.

The color codes for the chip_partner cable are:
1 - (empty):VDD
2 - Yellow:RTS
3 - Black:GND
4 - Green:TXD
5 - (empty)
6 - White:RXD
Blue:CTS (not connected)
Red:5V (not connected)

Ok, here's some advice for anyone that tries to add a regular IDC connector onto the end of one of these cables, when you wire it, use all 6 wires (ie, with red on pin 1 and blue on pin 5) then once you've got it clamped down, then snip the red and blue wires. If you snip them beforehand, it's virtually impossible to leave just the right spacing for the 2 missing wires (at least, it was for me).
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Rob
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Please don't PM me with remote questions, post them in the forums so all the experts can help!
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