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Help with motor driver module

jehielmartinez

I make an Arduino standalone to drive a simple bluetooth RC Car from my Android phone. Using a

ZITRADES L9110S DC/Stepper Motor Driver Module, a Tamiya double motor gearbox and a HC-06 Bluetooth module.


When I run my code on the Microcontroller eveything works fine, then I plug the Motor Driver  and everything fails.

I need help with this issue? I dont know what's the problem.

I plug just one motor and works, but it doesnt works with the two motors plugged on the Driver Module.

T


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    Hi Jehiel - I really don't have enough information on your hookup but many times when something works with one load and fails when a second load is added it is because of an inadequate power supply. Check to see what happens to your voltage level with one and then two motors. Are your logic circuits tied to the same power supply? This can be an additional problem as voltage spikes from the motors need to filtered out.

    John

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    Hi Jehiel - I really don't have enough information on your hookup but many times when something works with one load and fails when a second load is added it is because of an inadequate power supply. Check to see what happens to your voltage level with one and then two motors. Are your logic circuits tied to the same power supply? This can be an additional problem as voltage spikes from the motors need to filtered out.

    John

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