While it has become increasingly obvious that bluetooth is an expensive white elephant, it looks like it will be some time before ZigBee will be ready for use in new product development.
Nevertheless, it looks interesting an I will be keeping tabs on ZigBee's progress. For low end applications it will be advantageous not to have to have an ARM [and a LEG]. Llew Griffiths > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of > Matthias Weingart > Sent: Saturday, 26 July 2003 21:24 > To: Multiple recipients of list CHIPDIR-L > Subject: Use ZigBee (was Re: Bluetooth bound) > > > Don't use bluetooth for home automation (it is simply to big and > complicated). ZigBee is a new coming standard and very simple protocol for > things like that. At client/slave side you only need the horsepower of a > 8051. Bluetooth reuires at least a ARM controller ;-) (ZigBee is > very new and > there are no chips available yet). > > Some examples: a bluetooth device needs approx. 3 seconds to get logged in > the bluetooth network. A very long time for a light switch ;-). Zigbee > requires 30ms for this. A bluetooth chip needs much power (mobile phone > operation, you need to regularly recharge it). The Zigbee parts > are deigned > to run 2 years from battery (hopefully :-). > > More info: > www.zigbee.org > CircuitCellar no. 156 > http://www.adcon.com/english/radio/zigbee_standard/ > http://www.amis.com/wireless/ASTRX1.html > http://www.motorola.com/zigbee > > M. > > On Fri, Jul 25, 2003 at 03:34:19PM -0800, M M wrote: > > I don't have experience developing R/F but wanted to try my hand at a > > Bluetooth project and was wondering if anyone out there could > point me in > > the direction of an inexpensive source of Bluetooth components. I was > > thinking of doing some home automation just to get into it. I > don't have > > access to distributers where I can get small quantities of > parts so I would > > really appreciate some insight into this area. > > -- > Author: Matthias Weingart > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Author: Llewellyn Griffiths INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
