[TriEmbed] Servo will not stop spinning

[Robert Gasiorowski]

Futaba 3003 is an analog servo and you must resend control pulse every ~20ms


iPhone OS = OS X on Diet Code

> On Jan 28, 2018, at 2:09 PM, Shane Trent via TriEmbed <triembed at triembed.org> wrote:
> 
> The control pulse should be retransmitted over 20 msec or so. I would be tempted to set up a loop with a 1 or 2 second dwell and sweep the pulse with from 1.0 msec to 2.0 msec and observe the behavior. 
> 
>> On Sun, Jan 28, 2018 at 2:05 PM Craig Cook via TriEmbed <triembed at triembed.org> wrote:
>> I purchased a Futaba 3003 from ebay ~$4.  It keeps spinning when I initialize it. Should I call it bad and get another? (I have a micro servo working fine).
>> 
>> I pulled the top cover off. Apply power, nothing happens.  I add the signal from my arduino and it starts spinning.
>> 
>> Using this code, it should do nothing.
>> 
>> #include <Servo.h>
>> 
>> const byte servoPin = 5;
>> const int STOPPED = 1500;
>>  
>> Servo servo;
>>                
>> void setup()
>> {
>>   servo.attach(servoPin);
>>   servo.writeMicroseconds(STOPPED);
>> }
>>  
>> void loop()
>> {
>>  
>>  
>> }
>> 
>> With everything assembled if I force the blades to the left until I get resistance, turn the signal and power on, it rotates to the right. Stops and keeps shuddering.
>> 
>> With these symptoms, could it have been something I did to break it? Too many volts? 
>> 
>> Thanks
>> 
>> Craig
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