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Thread: Ant Weight Circuit Help

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  1. 9th February 2018, 09:55 #1
    Scottie's Avatar
    Member
    Hey there, I have some questions regarding your motor driver and motors. I apologise in advance if they are to simple or patronising.

    1st are you using an AWESC dual channel motor controller, found here?
    https://www.arc-robotics.org.uk/prod...ed-controller/

    Those esc's use DRV8848 dual h-bridge motor drivers and has over current lockout protection when you exceed 2A on one channel. Did you buy those motors with the ESC or separately? Are you motors drawing more than 2 A each? (that may not be the case as those i have never seen those type of motors exceed more than 1.6A at stall, which is not the case for you)

    I assume that you have soldered everything yourself? Just double check that there are no tiny bits of wire or flecks of solder between the motor contacts. It can be the most minuscule bit ever but that will be enough to short circuit a motor and put you in over current lockout.

    Also have you bought a mixed or unmixed ESC and are you using mixing on your devo remote?
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  2. 9th February 2018, 13:18 #2
    Bad Wolf
    Guest
    Quote Originally Posted by Scottie View Post
    Hey there, I have some questions regarding your motor driver and motors. I apologise in advance if they are to simple or patronising.

    1st are you using an AWESC dual channel motor controller, found here?
    https://www.arc-robotics.org.uk/prod...ed-controller/

    Those esc's use DRV8848 dual h-bridge motor drivers and has over current lockout protection when you exceed 2A on one channel. Did you buy those motors with the ESC or separately? Are you motors drawing more than 2 A each? (that may not be the case as those i have never seen those type of motors exceed more than 1.6A at stall, which is not the case for you)

    I assume that you have soldered everything yourself? Just double check that there are no tiny bits of wire or flecks of solder between the motor contacts. It can be the most minuscule bit ever but that will be enough to short circuit a motor and put you in over current lockout.

    Also have you bought a mixed or unmixed ESC and are you using mixing on your devo remote?
    No need to apologise haha Yes Its the AWESC Dual Channel Motor Controller, I bought the motors separately, I have bought about 5-6 sets of motors, all very similar and all the same size roughly.

    Yeah Ive soldered everything myself ( First try since I was in school, so ill admit its not the finest of work you will see haha) so yeah might be a problem there, Ill go over the whole board again and see if there are any smaller bits sticking out etc.

    I THINK I bought Mixed, but I'm not sure. Ive done the flashing thing on my Devo remote as I bought an AxeBot from Shakey recently.

    Just to add... I also wanted to ask about how Id go about adding an on off switch ? Because at the moment I just take the battery out. Any Ideas?

    Thanks

    Luke
    Last edited by Bad Wolf; 9th February 2018 at 13:35.
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  3. 9th February 2018, 22:43 #3
    Deathly Hallows's Avatar
    Member
    For the on off switch just put a xt60 or similar on the positive wire. Basically a giant jumper.
    Straight after battery cut the positive wire. Wire one end to + side and other end to - side of xt60. Loop of cable on other side.
    When inserted it makes circuit, when removed it kills the power.
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