https://makerspace.cc/wiki/index.php?action=history&feed=atom&title=LED_Music_Visualizer_%28Project_0030%29 2026-05-06T17:48:04Z Revision history for this page on the wiki MediaWiki 1.42.7 https://makerspace.cc/wiki/index.php?title=LED_Music_Visualizer_(Project_0030)&diff=7393&oldid=prev 2024-01-18T17:39:22Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:39, 18 January 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11">Line 11:</td> <td colspan="2" class="diff-lineno">Line 11:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This project adapts work by @saminecca and @LEDartist documented on Instructables.com to construct a simple music visualizer via high-pass filter, band-pass filters, and LEDs. Digital audio is converted into an analog signal to represent frequency (pitch) by color and amplitude (volume) by brightness.  </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This project adapts work by @saminecca and @LEDartist documented on Instructables.com to construct a simple music visualizer via high-pass filter, band-pass filters, and LEDs. Digital audio is converted into an analog signal to represent frequency (pitch) by color and amplitude (volume) by brightness.  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{#widget:gallery|img1=https://drive.google.com/<del style="font-weight: bold; text-decoration: none;">uc</del>?<del style="font-weight: bold; text-decoration: none;">export</del>=<del style="font-weight: bold; text-decoration: none;">view</del>&amp;<del style="font-weight: bold; text-decoration: none;">id</del>=<del style="font-weight: bold; text-decoration: none;">1usNAm1nXvx8H3XeRn5wi8QNr5A4qUwKb</del>|img2=https://drive.google.com/<del style="font-weight: bold; text-decoration: none;">uc</del>?<del style="font-weight: bold; text-decoration: none;">export</del>=<del style="font-weight: bold; text-decoration: none;">view</del>&amp;<del style="font-weight: bold; text-decoration: none;">id</del>=<del style="font-weight: bold; text-decoration: none;">1u_84S6bYfbEdwMojU8D9E2lF5Goy0P59</del>|img3=null|img4=null|img5=null|num=3}}</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{#widget:gallery|img1=https://drive.google.com/<ins style="font-weight: bold; text-decoration: none;">thumbnail</ins>?<ins style="font-weight: bold; text-decoration: none;">id</ins>=<ins style="font-weight: bold; text-decoration: none;">1usNAm1nXvx8H3XeRn5wi8QNr5A4qUwKb</ins>&amp;<ins style="font-weight: bold; text-decoration: none;">sz</ins>=<ins style="font-weight: bold; text-decoration: none;">w1000</ins>|img2=https://drive.google.com/<ins style="font-weight: bold; text-decoration: none;">thumbnail</ins>?<ins style="font-weight: bold; text-decoration: none;">id</ins>=<ins style="font-weight: bold; text-decoration: none;">1u_84S6bYfbEdwMojU8D9E2lF5Goy0P59</ins>&amp;<ins style="font-weight: bold; text-decoration: none;">sz</ins>=<ins style="font-weight: bold; text-decoration: none;">w1000</ins>|img3=null|img4=null|img5=null|num=3}}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/div&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/div&gt;</div></td></tr> </table>

Ajhg https://makerspace.cc/wiki/index.php?title=LED_Music_Visualizer_(Project_0030)&diff=6939&oldid=prev 2021-12-18T06:15:15Z

<p>Created page with &quot;&lt;small&gt;by Lucas Demetriades&lt;/small&gt; ----- __NOTOC__ {{DISPLAYTITLE:LED Music Visualizer}} <a href="/Category:Projects" title="Category:Projects">LED Music Visualizer</a> &lt;div class=&#039;overview&#039;&gt; == Project Overview == This project adapts work by @saminecca and @LEDartist documented on Instructables.com to construct a simple music visualizer via high-pass filter, band-pass filters, and LEDs. Digital audio is converted into an analog signal to represent frequency (pitch) by color and amplitude (volume) by br...&quot;</p> <p><b>New page</b></p><div>&lt;small&gt;by Lucas Demetriades&lt;/small&gt;<br /> -----<br /> __NOTOC__<br /> {{DISPLAYTITLE:LED Music Visualizer}}<br /> [[Category:Projects|LED Music Visualizer]]<br /> <br /> &lt;div class=&#039;overview&#039;&gt;<br /> <br /> == Project Overview ==<br /> <br /> This project adapts work by @saminecca and @LEDartist documented on Instructables.com to construct a simple music visualizer via high-pass filter, band-pass filters, and LEDs. Digital audio is converted into an analog signal to represent frequency (pitch) by color and amplitude (volume) by brightness. <br /> <br /> {{#widget:gallery|img1=https://drive.google.com/uc?export=view&amp;id=1usNAm1nXvx8H3XeRn5wi8QNr5A4qUwKb|img2=https://drive.google.com/uc?export=view&amp;id=1u_84S6bYfbEdwMojU8D9E2lF5Goy0P59|img3=null|img4=null|img5=null|num=3}}<br /> <br /> &lt;/div&gt;<br /> <br /> == Tools and Materials ==<br /> * Circuit Board<br /> * 9 volt power supply<br /> * Jumper Cables<br /> * Three 100Ω resistors<br /> * One 10μF capacitor<br /> * Two N4148 diodes<br /> * Four 10kΩ resistors<br /> * One 2N3904 transistor<br /> * Five 1μF capacitors<br /> * Two 500Ω resistors<br /> * Three 2N3906 transistors<br /> * Six LEDs<br /> * Two 1.5kΩ resistors<br /> * One 180Ω resistor<br /> * One 10kΩ resistor<br /> * One 270Ω resistor<br /> <br /> <br /> &lt;div class=&quot;files&quot;&gt;<br /> <br /> == Project Files==<br /> &lt;/div&gt;<br /> <br /> &lt;div class=&#039;sxs&#039;&gt;<br /> == Step-by-Step Instructions ==<br /> <br /> {{#widget:ProjectStep|inst=Construct the audio input. These components account for input impedance and possible DC offset. |src=160VybT0eNQ_lJSMLhb7cELZW2_0mPY1w|show=img}}<br /> {{#widget:ProjectStep|inst=Construct the audio amplifier. This will amplify the signal such that it is useful to the proceeding functional blocks.|src=1jx9Cx2dVeJgnRimjEzKLHcx2pUoFSA-r|show=img}}<br /> {{#widget:ProjectStep|inst=Construct the high-pass filter. This will filter for only high frequencies, which will light according to the volume of high-pitch notes from the input. The cutoff frequency should be 300kHz.|src=1X4E1BV2vqTiZxX8t8OdUu34PoFaWI88t|show=img}}<br /> {{#widget:ProjectStep|inst=Construct the medium band-pass filter. This combines a low- and high-pass filter to filter for only medium frequencies, which will light according to the volume of medium-pitch notes from the input. The low cutoff frequency should be 100Hz and the high cutoff frequency should be 300Hz. |src=1z_ZhtYmk96GulyHQYf2wCEGzSjzOk2p_|show=img}}<br /> {{#widget:ProjectStep|inst=Construct the low band-pass filter. This combines a low- and high-pass filter to filter for only low frequencies, which will light according to the volume of low-pitch notes from the input. The low cutoff frequency should be 15Hz and the high cutoff frequency should be 100Hz. Congratulations!|src=16ZmAba4O7CXPaMNXt11ks2nMZENPyzNH|show=img}}<br /> <br /> &lt;/div&gt;</div>

Ajhg