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Attopilot Current Sensor Questions

Posted by Colby M on September 21, 2011 at 7:08pm

Hello Everyone,

 

I've been busy building up my Arducopter Hexa.  I purchased an Autopilot current sensor (180 Amp,  vs the standard 90 amp) and am soon to wire it up.

 

Forgive me if this has been answered else where or is completely obvious,  but I have not seen any clear explanation.  How exactly is the current sensor supposed to be connected to the power lines (I understand how to connect it properly to the Ardupilot's ADC).

 

Is it to be connected inline with the battery and the main power distribution board or somehow else?  If so,  how in the world is the small connection from +in to +out (looks like its connected to the ends of the resistors) able to carry the kind of current that the copter will be drawing?

 

                                 ____________

                 (+) --------- | +in       +out  |---------

 Battery                     |                     |           (Main Arducopter Power)

                 (-)  --------- |____GND____|---------

 

(Hopefully my ascii art comes out ok)

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Tags: attopilot, current, sensor, wiring
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Replies

  • Moderator
    Michael Pursifull September 21, 2011 at 7:46pm

    I cut the shrink wrap off of mine, so you can see. It was designed to be used with Dean's connectors.

     

    3692273750?profile=originalThe aircraft is to the left, the battery cable (I use XT60's on my batteries, and a "key" cable that converts from deans to XT60 - prevents accidents) is to the right. The "servo" type 28 gauge wire does not carry high current, it is for signaling only. 

     

    Hope this helps.

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