RPi motor capacitor

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Anonymous
RPi motor capacitor 2016-01-21 02:34:29 Post No. 933357
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RPi motor capacitor Anonymous 2016-01-21 02:34:29 Post No. 933357 [Report]

I want to control a DC motor using Raspberry Pi and a L239D microcontroller, like in this page:

https://learn.adafruit.com/adafruit-raspberry-pi-lesson-9-controlling-a-dc-motor?view=all

I saw in other webs that is recomended to sold a capacitor on the motor to supress noise.
Do I need do that, even if I use the microcontroller?

Anonymous 2016-01-21 06:59:02 Post No.933467
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Anonymous 2016-01-21 06:59:02 Post No.933467 [Report]

>>933357
yes, especially if you use a microcontroller or raspberry pi. Capacitors cost like nothing man. Oh an the L239D is a motor controller, it amplifies the signals from the raspberry pi into something that can power a motor.

Anonymous 2016-01-21 09:49:14 Post No.933505
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Anonymous 2016-01-21 09:49:14 Post No.933505 [Report]

You should connect the +vmotor pin though.the RPI power is not used to control the motor

RPi motor capacitor

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