Does anybody know of the sound chip used to produce the seatbelt warning sound ('ding') used in most vehicles these days? There must be as lot about! Something very similar is used on aircraft as a general attention alarm. Phil Seaford In message <3327142.1085883775411.JavaMail.root@wamui03.slb.atl.earthlink.net>, Charles Craft writes >I thought they just brought over the microprocessors from General Instruments. > > >The datecode on the package looks like 8826. > >http://en.wikipedia.org/wiki/AY-3-8912 > >A Programmable Sound Generator (PSG) chip manufactured by General >Instruments, used in various 1980s home microcomputers including the >Sinclair ZX Spectrum 128, the Timex Sinclair TS2068 and the Amstrad CPC >464, 664 and 6128. > > > >http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3817617299 > >3 pieces of MICROCHIP Sound IC AY-3-8912. These IC's are a must for >Arcade Game Repairs and are perfect for a Repair Shop / School / >Hobbyist. > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- Phil Seaford -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics