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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>Hi all again,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>I’m still trying to refine my design and working on<br>the paper centering process circuit.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>So far I’m using the tracker bar edge’s holes to detect<br>left/right paper movements while playing the rolls.<br>Those who are at the paper’s edge sides. <br>The system works pretty well <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>but still some rolls lacks of centering correction.<br>SO I want to do some tests using Photointerrupters - Slot Type – with open collector Outputs.<br>Like those types:<br><img width=358 height=244 style='width:3.7291in;height:2.5416in' id="Image_x0020_1" src="cid:image001.jpg@01D96AD3.D08E4A10"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>I’m trying to select the best accurate one to detect <u>paper edges</u><br>not the overall paper cutting the IR beam..<br>Any idea of the best specifications to pick one ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=FR>De :</span></b><span lang=FR> Synth-diy <synth-diy-bounces@synth-diy.org> <b>De la part de</b> Jean-Pierre Desrochers<br><b>Envoyé :</b> 23 février 2023 17:31<br><b>À :</b> Synth-diy@synth-diy.org<br><b>Objet :</b> [sdiy] My Player piano roll project... a small video demo for you..<br><b>Importance :</b> Faible<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>I’m not done yet with this project but this is promissing..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><a href="https://www.youtube.com/watch?v=K7xXYqCB0AY">https://www.youtube.com/watch?v=K7xXYqCB0AY</a><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>I let the piano roll play its song while filming.. around 4:00 duration.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'>Enjoy !<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='mso-fareast-language:EN-US'><o:p> </o:p></span></p></div></div></body></html>