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Re: Room occupancy detection and door opening/closing - 1-wire or
wireless solution?
- Subject: Re: Room occupancy detection and door opening/closing
- 1-wire or wireless solution?
- From: "dermot_bradley" <bradley@xxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 16 Oct 2008 10:27:36 -0000
--- In ukha_d@xxxxxxx, "Neil Wrightson" <neilw@...>
wrote:
>
> So, the 12VDC on the CAT runs the PIR's and the relay switch contacts
> go to the 1Wire I/O device (DS2407).
I just wondered what was providing the 12VDC at the other end - have
you just got a "wallwart" powering multiple PIRs?
As for the DS2407 - Homechip don't do them but the D2PC is similar
(DS2406-based).
Do you know of a DS2407 supplier in the UK?
> Speed wise, there is approximately a 1 second delay from entering
> the room to the lights turning ON.
Sounds good.
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