Go to advanced search

by dgmartin
Mon Oct 23, 2017 10:22 am
Forum: Troubleshooting
Topic: Ds18B20 stopped working after a night without power
Replies: 40
Views: 4424

Re: Ds18B20 stopped working after a night without power

Hello all ... just came across this post and I can contribute a relevant experience .... 2 days ago my Raspberry Pi house temperature monitor hit a similar problem. It uses a DS9490R-based USB 1-wire interface device and about twenty attached DS18B20 stainless encapsulated temperature probes. It had...
by dgmartin
Mon Sep 25, 2017 12:46 pm
Forum: Advanced users
Topic: Life of Raspberry
Replies: 4
Views: 1293

Re: Life of Raspberry

FYI I have an RPi is monitoring 20 x temperature sensors DS18B20 via DS9490R on USB every 3 minutes (OWFS) and is showing an uptime of 480 days.
by dgmartin
Thu Feb 21, 2013 1:56 pm
Forum: Other projects
Topic: 1 Wire Sensors for home heating control
Replies: 21
Views: 15281

Re: 1 Wire Sensors for home heating control

There seems to be little activity here for a while ... perhaps we can restart some ... ? I have just got OWFS working on RPi with a DS9490R USB adapter - and was pleasantly surprised how easily it went. Now I need to think about data logging and 'digitemp' seems a possibility, but it is not on the R...
by dgmartin
Mon Oct 22, 2012 11:01 am
Forum: HATs and other add-ons
Topic: No more Gert... kits
Replies: 98
Views: 20664

Re: No more Gert... kits

Thanks everyone for the info below. It helps explain what Farnell have just told me: " Thank you for your enquiry. Unfortunately we are not taking any new orders for the Gertboard at present as this one is going discontinued. We have a new Gertboard that will be launched shortly updates on this will...

Go to advanced search