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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 style='mso-fareast-language:EN-US'>Yes.. possible solution..<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Thanks Mike.<o:p></o:p></span></p><p class=MsoNormal><span 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> Mike Bryant <mbryant@futurehorizons.com> <br><b>Envoyé :</b> 18 juin 2024 10:59<br><b>À :</b> synth-diy@synth-diy.org; Jean-Pierre Desrochers <jpdesroc@oricom.ca><br><b>Objet :</b> Re: [sdiy] Fast optical device to replace slow responding LED/LDR combo.. ??<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Aptos",sans-serif;color:black'>You could try something like this<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Aptos",sans-serif;color:black'><a href="https://uk.rs-online.com/web/p/optocouplers/3525467">https://uk.rs-online.com/web/p/optocouplers/3525467</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Aptos",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Aptos",sans-serif;color:black'>You'd need to get the LED current in a range where the MOSFETs weren't saturated, and I've no idea how wide a range that is, but it's bi-directional so you wouldn't need the diode bridge.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Aptos",sans-serif;color:black'><o:p> </o:p></span></p></div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="98%" align=center></div><div id=divRplyFwdMsg><p class=MsoNormal><b><span style='color:black'>From:</span></b><span style='color:black'> Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org">synth-diy-bounces@synth-diy.org</a>> on behalf of Jean-Pierre Desrochers via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br><b>Sent:</b> 18 June 2024 15:19<br><b>To:</b> <a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a> <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br><b>Subject:</b> [sdiy] Fast optical device to replace slow responding LED/LDR combo.. ??</span> <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div></div><p>Is there any device that could replace a slow responding LED/LDR combo ?<o:p></o:p></p><p>I was thinking of this LED/photo transistor/bridge replacement..<o:p></o:p></p><p>The only thing to be carefull about would be the diodes voltage drops,<o:p></o:p></p><p>But using very low current that voltage drop could be very low..<o:p></o:p></p><p>Hmmm..<o:p></o:p></p><p> <o:p></o:p></p><p> <o:p></o:p></p><p><img border=0 width=536 height=255 style='width:5.5833in;height:2.6562in' id="x_Image_x0020_1" src="cid:image001.jpg@01DAC172.09BF1080"><o:p></o:p></p></div></div></body></html>