JP1 Remotes

Hi all. I've built a JP1.x discrete interface and my first attempts to use it are getting under way, but I've hit a few snags. My URC10820N reports:
Signature is 11781178
Memory address is $EC00
Memory size is $1000 (4096)
with jp1xtest, and Samsung S3C8 with ir.
I've downloaded and saved it's initial raw data, but I'm not sure exactly what to do next to build a baseline rdf file so I thought I'd just throw this out there in case anyone would like to help me flatten out the learning curve!

THIS RDF already exists for your 10820N.

I think your other remote might be the twin of the URC-7950 (signature 30293029) for which there is also already an RDF. But that remote already has JP1.3 pins. So yours must be a little different. Pics would be helpful.

jd4x4, Welcome to the forum. FYI the 10820n extender is almost ready for pre-beta testing.

Posts about the OARC05G remote split to here:
https://www.hifi-remote.com/forums/viewtopic.php?t=12482

JD4x4 wrote:Thanks for the welcome(s), and for link to the 10820N rdf.. somehow I missed it before. I'll take a bunch of pics of the OARC05G. I bought two, and one is still un-modified.

vickyg2003- As soon as I understand the whole extender thingie, I'll keep an eye out for the pre-beta/beta. Very nice & very helpful database on your site as well, by the way!

Thanks again to both of you.

Not certain if it's been posted before, but what are the differences between the 10820B00 and the 10820N?

They use different Motorola Chips.

The E2 area is the same size, the button codes are the same.

The 10820 has more built in setup codes that the 10820N. The 10820N has a smaller chip, so that restricts the number of built in codes. The 10820N has newer setup codes that are not in the 10820.

The 10820N uses 2 digit PIDs.

As far as i'm concerned there's no difference: when i ordered an URC-8820 the local store called one week later to tell me it was discontinued and he did not mention the larger URC-10820 version so i suppose it's no option as well.

I suppose those who can locate inventory surplus should jump on such a fine opportunity before it's too late!

Pichet wrote:As far as i'm concerned there's no difference: when i ordered an URC-8820 the local store called one week later to tell me it was discontinued and he did not mention the larger URC-10820 version so i suppose it's no option as well.

I suppose those who can locate inventory surplus should jump on such a fine opportunity before it's too late!

I like the 10820 much better than the 8820. There is no mistaking which end is the business end, no matter how dark it is. And the spacing of the buttons is a lot better, and the 4 batteries, just makes it feel better than the two batteries.

I bet there are people like me who'd prefer the 8 devices unit over the larger one exactly because it uses only two batteries instead of four and hence weights less. The 8820 can be made to have ten devices as well anyway...