Help with DS1821 1-wire Thermometer

Hi to all.


I need a source code to read negative and positive temperature values using a DS1821.
I 'm using a 16f877A pic uC.

Thanks.


Please help me.

here's one for DS1820... might be useful to start
http://www.picbasic.co.uk/support/Te...b1fd954c62ca8d

take a look at this code

this code i am is using for pic16f84a but it can be easily modify for any 14 core pic

Thank friends.

any help on using the temp program with a 20 osc setting
timeing seems to be a issue

I need a picbasic code to read DS1821. NOT for DS1820. Help!

Quote:

---

Originally Posted by zdravko

I need a picbasic code to read DS1821. NOT for DS1820. Help!

---

maybe the Help you need is at hand with the DS18S20


___

I don't have DS18S20. What's the difference between DS1820 and DS1821 ?

Quote:

---

Originally Posted by zdravko

I don't have DS18S20.

---

If you are not able to buy one locally you could ask them to send you a sample.

www.maxim-ic.com/quick_view2.cfm/qv_pk/2815

Quote:

---

What's the difference between DS1820 and DS1821 ?

---

there are a few differrences it depends which one is significant to you, maybe take a look on the same site, you could contact them as well if you wish.



_______