[Dorset] Next Meeting - One Week Tonight

2019-12-31 Thread Terry Coles
Hi, The next meeting is one week tonight on Tuesday, 2020-01-07 20:00 at the Bournemouth Electric Club. See: http://dorset.lug.org.uk/wiki/doku.php?id=meetings:pub#bournemouth_electric -- Terry Coles -- Next meeting: BEC, Bournemouth, Tuesday, 2020-01-07 20:00

Re: [Dorset] Strange behaviour of DS1820 temperature sensors

2019-12-31 Thread Ralph Corderoy
Hi Terry, Graeme wrote: > > 4. I see no reason for the values of electrical signals to have > > changed They could if any were incorrectly left floating, like Vdd when parasitically powered. -- Cheers, Ralph. -- Next meeting: BEC, Bournemouth, Tuesday, 2020-01-07 20:00 Check to whom you

Re: [Dorset] Strange behaviour of DS1820 temperature sensors

2019-12-31 Thread Terry Coles
On Monday, 30 December 2019 16:17:18 GMT Graeme Gemmill wrote: > 1. All my sensors are mounted on small circuit boards bought from (now > defunct) American company Hobby Boards. I believe the temperature > sensors are powered parasitically, though there is a 5v power injector > to feed a humidity