Need help with power input to DC Motor

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Need help with power input to DC Motor

Postby sergenikki » Thu Feb 25, 2016 2:52 pm

Hi, I'm using an Arduino Uno Circuit Board with a DF Robot Motor Shield v1.2 (L298P) to drive two SPG30-20K DC Geared Motor by PWM. The power input for the motors is rated at 12V and 1.1A whereas the Arduino Board is powered by a power bank. However, the motors' speed are slow and after several consultation, I found out that a circuit have to be made to regulate the voltage and current input to the arduino board. I am at a loss on what circuit should I use and any help would be appreciated. :)
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Re: Need help with power input to DC Motor

Postby ZaM » Fri Feb 26, 2016 8:35 am

no need for extra circuit if you using power bank and 12V DC power supply.

two possible connection:
1) Arduino Uno use Power bank <- solved for arduino part, but you need to use external 12V DC for motor driver and set jumper to PWRIN.
2) Use external power supply 12VDC, connect to Arduino Uno DC jack and set jumper at motor driver to VIN. no need to use power bank.

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Re: Need help with power input to DC Motor

Postby eunicesherman » Fri Sep 08, 2017 1:44 am

Thank you, second advice helped me
I want to find here new tips for my motor
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