https://www.baldengineer.com/tag/msgeq7Recent content in MSGEQ7 on Bald EngineerHugoen-USThu, 31 Mar 2022 05:54:32 +0000https://www.baldengineer.com/msgeq7-simple-spectrum-analyzer.htmlSat, 07 Jan 2012 08:51:32 +0000https://www.baldengineer.com/?page_id=719<h2 id="abstract">Abstract</h2> <p><a href="http://www.mix-sig.com" title="Mixed Signal Integration">Mixed Signal Integration</a> has a cool little chip that has 7 built-in bandpass filters. Run an audio signal through it and you have an instant audio spectrum analyzer! This is a simple spectrum analyzer based on an Arduino. Each of the 5 LEDs represent a single section of the chip&rsquo;s 7 sections of audio spectrum.</p> <figure><img src="https://www.baldengineer.com/wp-content/uploads/2012/01/MSGEQ7-on-Adafruit-Protoboard-300x189.jpg" alt="MSGEQ7 on Adafruit Protoboard"><figcaption> <p>MSGEQ7 on Adafruit Protoboard</p> </figcaption> </figure> <h2 id="electronics">Electronics</h2> <p>If you want to replicate this setup, here is the hardware you&rsquo;ll need to get.</p>