Search found 5 matches

by doc_pyro
Sun Oct 20, 2013 2:37 am
Forum: Project Showcase
Topic: Improving ADC resolution
Replies: 18
Views: 12055

Re: Improving ADC resolution

I must have been calculating the the bits wrong in my spread sheet ... oh well lol And i guess i was after a bit bigger range not quite to the level your talking about just a bit more but thanks for the input will get on with my build and keep an eye on this anyway may be able use it in something el...
by doc_pyro
Fri Oct 18, 2013 10:22 pm
Forum: Project Showcase
Topic: Improving ADC resolution
Replies: 18
Views: 12055

Re: Improving ADC resolution

here is the figures i borrowed of the a forum and my tests in an oven confirm the results. º C R ohms -60 224000000 -50 101000000 -40 48000000 -30 23900000 -20 12400000 -10 6680000 0 3730000 10 2160000 20 1280000 25 1000000 30 786000 40 493000 50 317000 60 209000 70 140000 80 95900 90 66800 100 4740...
by doc_pyro
Fri Oct 18, 2013 9:01 pm
Forum: Project Showcase
Topic: Improving ADC resolution
Replies: 18
Views: 12055

Re: Improving ADC resolution

hello qwerty, i'm not so much after ultra high accuracy but an increase in effective temperature range of the controller. I'm working with 1M thermistors from a maverick ET732 because i have them and there is a fair bit of info out there already. like this: http://hruska.us/tempmon/ I have also foun...
by doc_pyro
Fri Oct 18, 2013 6:16 am
Forum: Project Showcase
Topic: Improving ADC resolution
Replies: 18
Views: 12055

Re: Improving ADC resolution

Hi there are people interested like me for example please continue. It looks very interesting can't wait for the rest so i can build some thing...
by doc_pyro
Mon Oct 14, 2013 9:59 am
Forum: Project Showcase
Topic: Improving ADC resolution
Replies: 18
Views: 12055

Re: Improving ADC resolution

I would be really interested have a thermistor problem this would solve for a bbq controller, well it would make me feel happier with better resolution.