<div dir="ltr">I also use no caps. 1k resistors.<br><div><br></div><div>Vinicius</div></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br> <table style="border-top:1px solid #d3d4de">
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<a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"></a></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 6, 2021 at 2:04 PM Mike Bryant <<a href="mailto:mbryant@futurehorizons.com">mbryant@futurehorizons.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">I use 300 Ohms pullup to 3.3V and no caps. There is still a short bounce period but after that the strong current flow keeps it clean and most scanning code
works. For interrupt driven you’ll probably need to disable the interrupts for a short time.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10pt;font-family:Tahoma,sans-serif">From:</span></b><span lang="EN-US" style="font-size:10pt;font-family:Tahoma,sans-serif"> Synth-diy [mailto:<a href="mailto:synth-diy-bounces@synth-diy.org" target="_blank">synth-diy-bounces@synth-diy.org</a>]
<b>On Behalf Of </b>Jean-Pierre Desrochers<br>
<b>Sent:</b> 06 August 2021 16:47<br>
<b>To:</b> 'SDIY'<br>
<b>Subject:</b> [sdiy] Need goog working rotary encoder in C code..<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="FR-CA">Hi everybody.<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="FR-CA"><u></u> <u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">I’m doing some tests on a rotary encoder and a PIC16F1783.<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">A standard Bourns encoder like <a href="https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjyoqDF3JzyAhUmhOAKHf3lAzoQFnoECAoQAw&url=https%3A%2F%2Fwww.bourns.com%2FPDFs%2Fpec11l.pdf&usg=AOvVaw2RyieyzPnujiOTS7LBcbpw" target="_blank">
THIS</a> .<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">Connected using 2 x 10k pullups with 0.01uf caps to ground<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">to PORTB of the micro. Interrupt calls (falling edges) used on encoder pins A & B.<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">I struggled so far to get clean increments/decrements out of it.<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">Many missing counts occur..<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">I tried many source codes on the web with no luck..<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">Is there anybody who’d have worked on this in the past<br>
and have a working c code ?<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">No ARDIUNO please.<u></u><u></u></span></p>
<p class="gmail-m_-2329757309167426020MsoPlainText"><span lang="EN-CA">Thanks !<u></u><u></u></span></p>
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