Gordon Burditt wrote: There are several general things to consider in designing or selecting an alarm system. There certainly is and I haven't found a commercial system that meets my specs: 1) RS485 http://scratchpad.wikia.com/wiki/RS485 based system where each node is an ATMEL micro implementing a mini-alarm. 2) Cheap Infra red beams , hundreds of them covering
Low voltage home systems alarm LCD HD CCTV intercom phone control Installtions Los Angeles Lvhsystems, Low voltage home systems., the world's leading provider of home automation products Installtions and personal gadgets, today announced the availability of BoosterLLow voltage home systems™, patent pending, the first plug-in X10 signal enhancing device that can be simultaneously deployed throughout
This new silicon nanowire technology claims to produce ten times the amount of electricity of existing lithium-ion cells. It could be the enabling technology for electric aircraft, not to mention what it might do for automobiles: http://news-service.stanford.edu/news/2008/january9/nanowire-010908.html Stanford Report, December 18, 2007 Stanford's nanowire battery holds 10 times
On Aug 5, 11:52 am, Larry Dighera <LDigh...@att.net> wrote: Electrically Powered Ultralight Aircraft Below is a report of an electrically powered ultralight aircraft. Further down is information about Sonex's electrically powered home-built aircraft, and below that is information about Royal Aeronautical Society's 2007-8 design competition (submissions close May 2, 2008).
On Aug 5, 11:52 am, Larry Dighera <LDigh...@att.net> wrote: Electrically Powered Ultralight Aircraft Below is a report of an electrically powered ultralight aircraft. Further down is information about Sonex's electrically powered home-built aircraft, and below that is information about Royal Aeronautical Society's 2007-8 design competition (submissions close May 2, 2008).