[plug] sensors

[Greg]

for temp the onewire sensors ds1820 etc are easy to set up. drivers for 
linux digitemp. A colleague has documented our fun here

http://martybugs.net/electronics/tempsensor/


Bernd Felsche wrote:
> "Adam Hewitt" <ahewitt at skybridge.com.au> wrote:
>
>   
>> I have a project on the table for work that requires a temperature
>> sensor and rack tamper sensor which we can connect to a linux
>> server which will alarm (send an email to the appropriate help desk
>> and flag a warning on our internal NMS). Does anyone have any
>> recommendations? Ideally we would like to get some kind of digital
>> input card that can take a number of different type of sensors in
>> case the customer wants to add anything else in the future.
>>     
>
> Some parallel port hacking should suffice to detecting digital
> inputs. ISTR some thermometers that interface with serial ports.
>
> Some of the EPIA Mini-ITX mainboards have digital inputs on-board.
>
> Generic I/O cards are comparatively expensive.
>