Hi Markus, I have been using a couple of RasPi for 1-wire for quite a while now. They both use Sheepwalk adapters, an RPI2 and RPI3. If you do use RPI3 make sure to order the right version for you Pi as the wrong one won't fit.
http://www.sheepwalkelectronics.co.uk/index.php?cPath=22 Mick On 20/09/15 18:21, Markus Gaugusch wrote: > Hi, > > I've been using 1wire for a long time on a PC using a ds2480b based serial > adaptor. My bus has become quite long and I'd like to split it up. A > raspberry (b2) hanging around in the upper floor seems to be a good > choice. > > Now my Question: What is the easiest way to connect my 1wire bus? I'd like > to connect some ds18s20 and ds2408 (lcd). > > I have samples of ds2480b and ds2482-800. I don't have a max3232 around to > convert serial between 3,3V and 5V. Pin7 (GPIO4) is used by DHT22 humidity > sensor, but possibly I can use another pin for that one. > I usually solder using breadboard-pcbs and use old floppy cables to > connect the chips like ds2408. > > So, to sum up: If I can build my 1wire bus with any of the above > components I'd be happy if I get a schematic :) > > > Oh, and before I forget: for the bus I need 5V, of course. I'm going to > connect at least one hd4470 LCD with backlight. Currently I supply the > raspberry with micro USB power. I think I can't draw a lot out of the GPIO > 5V pin in this configuration, so most likely I'll have to move the power > supply to the GPIO anyway. Any hints on that? > > > > Markus > > ------------------------------------------------------------------------------ > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers ------------------------------------------------------------------------------ _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
