roland

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  1. 4 votes
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    1 comment  ·  My Seeed Idea » I suggest  ·  Flag idea as inappropriate…  ·  Admin →
    Under Consideration  ·  USB responded

    Hi Andrew:
    Thanks for your advice, we believe that waterproof function is important in harsh environments for groves. But since the sensor itself needs to be waterproof, we believe that an enclosure for the whole grove module may be better.
    Please let us know your opinion.

    roland supported this idea  · 
  2. 5 votes
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    Under Consideration  ·  4 comments  ·  My Seeed Idea » I wish  ·  Flag idea as inappropriate…  ·  Admin →
    roland supported this idea  · 
  3. 8 votes
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    1 comment  ·  My Seeed Idea » I wish  ·  Flag idea as inappropriate…  ·  Admin →
    roland supported this idea  · 
    roland commented  · 

    If possible also show KiCAD example.

  4. 4 votes
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    1 comment  ·  My Seeed Idea  ·  Flag idea as inappropriate…  ·  Admin →
    roland shared this idea  · 
  5. 16 votes
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    Needs More Details  ·  6 comments  ·  My Seeed Idea » I wish  ·  Flag idea as inappropriate…  ·  Admin →
    roland commented  · 

    Perhaps the OPL Excel-file could have more columns like SMD/THT, Power, accuracy/tolerance, voltage

    roland commented  · 

    I have been searching in the OPL Excel-list and I need some of the following components to be able to order soldered prototype.
    The well-known 555 timer, more Zener values (3, 4.7, 5, 6.2, 8.2, 10, 12, 15, 20 Volt) and perhaps some with more power 1W, al least one comparator (LM2903, LTC1716, LTC144x, LTC184x), voltage reference (LM4120, LM4132, LT10xx, LT66xx)
    FET should have low Rds(on) and if possible logic value gate threshold. But most important is low Rds(on) (CSD16570Q5B, CSD19506KCS and with dualcool csd16407q5c)
    And maybe some current sense IC like INA1x9.
    Perhaps a current sense resistor (LKV25R001FER)

    Of course it depends on what components are available for you and at what cost.

    roland shared this idea  · 
  6. 8 votes
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    Needs More Details  ·  1 comment  ·  My Seeed Idea » I suggest  ·  Flag idea as inappropriate…  ·  Admin →
    roland supported this idea  · 
  7. 6 votes
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    1 comment  ·  My Seeed Idea » I suggest  ·  Flag idea as inappropriate…  ·  Admin →
    roland shared this idea  · 

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