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Recent content by yalew

  1. yalew

    Soil temperature sensor

    Thank you so much for the replys. What is the best way to protect them (encapsulate) this sensors? or are there other encapsulated alternatives?
  2. yalew

    Soil temperature sensor

    Can LM35 sensors be used for soil temperature?
  3. yalew

    Soil temperature sensor

    Thanks for the replys. The temperature measuring points are in a fixed location. For the time being I want to have it in a manual reading manner.
  4. yalew

    Soil temperature sensor

    Thanks for your replys! Some detail about the measurement Accuracy - within +/-1 degree centigrade Rate of reading once a day Number of sensors - for the trial one (after verification much more) .... I want to measure the soil temperature say at a depth of 1 m everyday with an accuracy of 1 deg...
  5. yalew

    Soil temperature sensor

    Could anyone recommend me a reasonable soil temperature sensor, thermistor, thermicouple? I want to measure soil temperatures... Thanks in advance
  6. yalew

    Cheapest way to measure water depth

    I would like to thank you every body again for contributing alternative solutions and suggestions. To put it in a nut shell, I am interested in the following alternatives so far: 1. Using pressure sensor as suggest by Riches … thanks Rich! I would be glad if I can buy a pressure transducer with...
  7. yalew

    Cheapest way to measure water depth

    I would like to thank you all of you for your reply. BTW I have gone through the "big" discussion about water depth sensing in this forum ....http://www.eng-tips.com/viewthread.cfm?qid=58310. After going through every post with a lot of pain ... I really couldn't find what I want ... that's why...
  8. yalew

    Cheapest way to measure water depth

    I am interested to measure the water depth in a tank above a reference point. The water depth or pressure varies above the reference point from 0 to 2.5 meters. How can this be done in a cheapest way without buying expensive piezometers and data loggers?
  9. yalew

    Basic component supplier

    I am a novie for electronics ... started building the first simplest circuits. I don't know where I can get them like the resistor, capacitor, LED.... Can anyone help me please. I live in Brussels, Belgium. Can someone knows a supplier in Brussles? Thanks in advance.
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