[OpenTRV-dev] DS18B20 with Arduino

[Damon Hart-Davis]

Thanks, that would be helpful!

Rgds

Damon


On 18 Sep 2013, at 19:25, Kevin Wood wrote:

> I've been using OneWire sensors with an AVR quite a bit. I'll have a look at where the code I used came from. Can't remember if it was home-made, pinched from somewhere or a combination thereof!
> 
> Kevin
> 
> On 18/09/13 18:09, Damon Hart-Davis wrote:
>> Hi,
>> 
>> Bo: following our earlier discussions
>> 
>> With a little research I think it should be possible to make the V0.2 work with DS (when running on 3.3V) or TMP, detected at run-time if need be, though there are a number of trickinesses, especially with timing because the DS is slow.
>> 
>> But I have not yet found a sensibly-licensed 1-Wire library for Arduino/ATMega (ie *with* some sort of licence that isn't GPL and pref is BSD or Apache or MIT or similar), so might have to reverse engineer something.
>> 
>> In any case it's not a trivial bit of work, but not insurmountable either.
>> 
>> Rgds
>> 
>> Damon
>> 
>> 
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