Shield V1 Capacitor Pop

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merreko
 
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Joined: Tue Nov 30, 2021 7:10 am

Shield V1 Capacitor Pop

Post by merreko »

Hi,

I was attempting to make a NEMA 17 motor to move the magnet fidget spinner I made and the capacitors pop, would someone know why?

Power:
15V / 5A

Nema 17:
RoHS
p/n 17HS 13 - 0404S1
s/n 202005290093

Shield:
Adafruit V1

Arduino:
elegoo uno r3

[img]
https://imgur.com/a/SIXfEyU
[/img]

Code: Select all

#include <AFMotor.h>

AF_Stepper Stepper1(200, 1);  // A 200-step-per-revolution motor on channels 1

int rot = 10;
int sp = 600;

void setup() {
 Serial.begin(9600);
  Stepper1.setSpeed(sp);

}

void loop() {
  
   Stepper1.step(rot, FORWARD, INTERLEAVE);  
}

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adafruit_support_bill
 
Posts: 88088
Joined: Sat Feb 07, 2009 10:11 am

Re: Shield V1 Capacitor Pop

Post by adafruit_support_bill »

That is not an Adafruit board. Many of the clone manufacturers copy our designs but substitute lower cost parts. And electrolytic capacitors do degrade over time as the electrolyte dries out.

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marshaj847
 
Posts: 43
Joined: Wed Jul 31, 2013 6:12 pm

Re: Shield V1 Capacitor Pop

Post by marshaj847 »

Also,
by using all yellow wires on the terminal strips,
was the motor voltage applied with reversed polarity?

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adafruit_support_bill
 
Posts: 88088
Joined: Sat Feb 07, 2009 10:11 am

Re: Shield V1 Capacitor Pop

Post by adafruit_support_bill »

Also,
by using all yellow wires on the terminal strips,
was the motor voltage applied with reversed polarity?
Good point. The polarity as shown in the photo is correct because the power LED is on. But reverse polarity is one good way to destroy to an electrolytic cap.

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