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<div>A little more research, I think I have a fake.</div><div><br></div><div>This site suggests they should cost around $12<br></div><div><a href="https://servodatabase.com/servo/futaba/s3003">https://servodatabase.com/servo/futaba/s3003</a></div><div><br></div><div>This site shows a fake: <a href="http://www.rcmodelreviews.com/fakefutabaservos.shtml">http://www.rcmodelreviews.com/fakefutabaservos.shtml</a></div><div><br></div><div>Mine has the same screw holes.</div><div><br></div><div>I expect the Servo.h library would take care of whatever is needed to initialize the servo.<br></div><div><br></div><div>Think I need to find another one. Amazon has one listed for around $13.<br></div><div><br></div><div>Thanks</div><div><br></div><div>Craig<br></div><div><br></div><div><br></div>
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On Sunday, January 28, 2018, 2:28:32 PM EST, Robert Gasiorowski <rgresume@gmail.com> wrote:
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<div><div id="ydpca4084efyiv2377852268"><div><div><span></span></div><div>Futaba 3003 is an analog servo and you must resend control pulse every ~20ms<br clear="none"><br clear="none"><div id="ydpca4084efyiv2377852268AppleMailSignature"><div><br clear="none"></div><div>iPhone OS = OS X on Diet Code</div></div><div class="ydpca4084efyiv2377852268yqt8123919190" id="ydpca4084efyiv2377852268yqt54833"><div><br clear="none">On Jan 28, 2018, at 2:09 PM, Shane Trent via TriEmbed <<a shape="rect" href="mailto:triembed@triembed.org" rel="nofollow" target="_blank">triembed@triembed.org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div dir="ltr">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. </div><br clear="none"><div class="ydpca4084efyiv2377852268gmail_quote"><div dir="ltr">On Sun, Jan 28, 2018 at 2:05 PM Craig Cook via TriEmbed <<a shape="rect" href="mailto:triembed@triembed.org" rel="nofollow" target="_blank">triembed@triembed.org</a>> wrote:<br clear="none"></div><blockquote class="ydpca4084efyiv2377852268gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div></div><div class="ydpca4084efyiv2377852268m_3660920455307120309ydpc98058b0yahoo_quoted" id="ydpca4084efyiv2377852268m_3660920455307120309ydpc98058b0yahoo_quoted_8130192837"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div>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).<br clear="none"></div><div><br clear="none"></div><div>I pulled the top cover off. Apply power, nothing happens. I add the signal from my arduino and it starts spinning.</div><div><br clear="none"></div><div>Using this code, it should do nothing.</div><div><br clear="none"></div><div>#include <Servo.h><br clear="none"><br clear="none">const byte servoPin = 5;<br clear="none">const int STOPPED = 1500;<br clear="none"> <br clear="none">Servo servo;<br clear="none"> <br clear="none">void setup()<br clear="none">{<br clear="none"> servo.attach(servoPin);<br clear="none"> servo.writeMicroseconds(STOPPED);<br clear="none">}<br clear="none"> <br clear="none">void loop()<br clear="none">{<br clear="none"> <br clear="none"> <br clear="none">}<br clear="none"><div><br clear="none"></div><div>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.<br clear="none"></div><div><br clear="none"></div><div>With these symptoms, could it have been something I did to break it? Too many volts? <br clear="none"></div><div><br clear="none"></div><div>Thanks</div><div><br clear="none"></div><div>Craig<br clear="none"></div></div>
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