On Sat, Nov 07, 2009 at 07:29:28PM +1000, cdb wrote: > OK, lets see if I can avoid offending anyone this time. > > Jennic have produced a chip that is supposedly able to be energised by > something as mundane as the energy generated by flicking a switch. > > http://tinyurl.com/yg8orv9 > > http://tinyurl.com/ylkxaww Along these lines, if anyone on here is interested in working with a capable ARM + 802.15.4 radio I suggest the mc13224v from Freescale. I've been working on an open source project to support it: http://mc1322x.devl.org It's not as low power as that Jennic part, but it isn't far off. And you can't beat the price. You can get hardware from a few places: http://www.cel.com/static.do?command=ZigBeeNewProd&group=5 (sold on digikey and mouser) http://tinyurl.com/yjvqjtn (Freescale kits) but I'm partial to my own: http://www.redwirellc.com/store/ (shamless plug) -Mar. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist