Re: 1-wire to USB converter that can use 1820s directly

[nobody@xxxxxxxxxxxx (Dave Houston)]

This CHA thread may also help.

http://groups.google.com/group/comp.home.automation/browse_frm/thread/af7fee3ddf369907/fd937ae55549fe90?lnk=st&q=DS9490R+group%3Acomp.home.automation&rnum=2&hl=en#fd937ae55549fe90

nobody@xxxxxxxxxxxx (Dave Houston) wrote:

>I don't use 1-wire myself so am not familiar with its details but the
>DS9490R appears to do at least part of what you ask. The datasheet indicates
>there are Windows drivers for it.
>
>
>http://www.maxim-ic.com/products/ibutton/products/1wire_adapters.cfm#USB
>     http://pdfserv.maxim-ic.com/en/ds/DS9490-DS9490R.pdf
>
>"Rod Speed" <rod.speed.aaa@xxxxxxxxx> wrote:
>
>>I want to have a number of 1-wire 1820 sensors thruout the house,
>>and want to minimise the cost of those so I can use them wherever
>>it makes sense to have one like in all the fridges and freezers etc
>>so I can do basic stuff like alarm on out of acceptable range etc.
>>
>>The obvious way to do those physically is to use phone extension
>>leads with RJ11 connectors on each end. Just cut them in half
>>and solder a 1820 on the bare end of each half. Then just connect
>>them all in parallel using standard RJ11 sockets on vero etc or
>>in punch down blocks etc.
>>
>>What I want is a fully assembled USB/1-wire converter
>>that can be used to interface those to the PC.
>>
>>I also need at least a decent driver that can
>>be used from VBA from Access or Excel etc.
>>
>>The stuff thats obvious on the web mostly dont use such
>>unpackaged sensors. Cant see any reason why its not possible tho.
>>
>>It would be desirable to be able to use any standard
>>1-wire sensor ics too, but not absolutely essential.
>>