Thanks Zik... the picture I saw had a single ultasonic transducer on it for send/receive (hence the minimum sensing distance of 6" maybe? Makes for smaller overall size. On 2 Jun 2006 at 12:01, Zik Saleeba wrote: > Parallax sells quite a nice one with a three-wire interface: > > http://www.parallax.com/detail.asp?product_id=28015 > > Hobby Engineering sells some excellent ones too, including the > Devantech SRF08 with 6m range and reporting of multiple echoes from > each ping. It has an I2C interface. > > http://www.hobbyengineering.com/SectionS.html > > Cheers, > Zik > > On 02/06/06, Brent Brown wrote: > > Hi, > > > > I remember seeing a link on the PIClist recently (last 2~3 months) to an intersting > > looking ultrasonic distance sensor module - but now I can't find it again! (spent ages > > searching my PIClist emails, browser history, google, etc). Probably mentioned in > > passing to some loosely related subject... from what I remember it was an approx 1" > > square PCB module with Ultrasonic transducer mounted on it. Range was 6" to > > 200" or similar and had analog output (maybe even SPI interface?), price on the > > web site was US$29.95. I can't remember exactly what was so appealing about this > > one to me, probably the combination of size/cost and ease of use. > > > > Hope someone's memory/filing system is better than mine. Thanks! > > -- > > Brent Brown, Electronic Design Solutions > > 16 English Street, Hamilton 2001, New Zealand > > Ph: +64 7 849 0069 > > Fax: +64 7 849 0071 > > Cell/txt: 027 433 4069 > > eMail: brent.brown@clear.net.nz > > > > > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist