Re: [Owfs-developers] Reading the moisture meter hobby boards with soil sensor

2009-10-29 Thread njh
On Thu, 29 Oct 2009, Zoff wrote: is costs 70 euro, but it's working for me since august without any problems. and it reads temperature also, with 1/8 °C accuracy. No, it reads with 1/8 C precision. The accuracy is claimed as +/-0.5C after calibration. (see page 6 of data sheet) njh

Re: [Owfs-developers] Reading the moisture meter hobby boards with soil sensor

2009-10-29 Thread Zoff
Hi! if you mean humidity (when you say moisture) then i use a DS1923 http://www.fuchs-shop.com/de/shop/4/1/13372025/ is costs 70 euro, but it's working for me since august without any problems. and it reads temperature also, with 1/8 °C accuracy. cheers, Zoff. Mads Hjorth wrote

[Owfs-developers] Reading the moisture meter hobby boards with soil sensor

2009-10-23 Thread Mads Hjorth
Hi all, I am trying to get some decent values from a moisture meter from hobby boards (familiy code 30). From what I understand the sensor is a variable resistor and the value of the current field should depend on the resistance. No matter what I do to the sensor e.g. drop it in a cup of wa