<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[PWM brightness meter]]></title><description><![CDATA[<p dir="auto">In this project i used TEMT6000 Light Sensor, connected to 3.3v pin and ground pin of m5Stack, and signal to GPIO 35 (ADC). Measures light uniformity and determines, if present, PWM frequency (50-1000 Hz) and ligth falloff. Buttons A and C used to change smoothing coefficient to eliminate high frequency noise.<br />
Link to sketch available lower.<br />
<img src="/assets/uploads/files/1541312312198-dsc00429-resized.jpg" alt="0_1541312307903_DSC00429.jpg" class=" img-fluid img-markdown" /><br />
<img src="/assets/uploads/files/1541312334990-dsc00426-resized.jpg" alt="0_1541312330296_DSC00426.jpg" class=" img-fluid img-markdown" /><br />
<a href="https://drive.google.com/open?id=1yzKUHyzToneFyfjAOKV304vq7tPC8M7L" target="_blank" rel="noopener noreferrer nofollow ugc">https://drive.google.com/open?id=1yzKUHyzToneFyfjAOKV304vq7tPC8M7L</a></p>
]]></description><link>https://community.m5stack.com/topic/396/pwm-brightness-meter</link><generator>RSS for Node</generator><lastBuildDate>Wed, 29 Apr 2026 10:39:27 GMT</lastBuildDate><atom:link href="https://community.m5stack.com/topic/396.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 04 Nov 2018 06:32:01 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to PWM brightness meter on Wed, 07 Nov 2018 04:30:25 GMT]]></title><description><![CDATA[<p dir="auto">Very cool Sergey. Thanks for sharing</p>
]]></description><link>https://community.m5stack.com/post/1941</link><guid isPermaLink="true">https://community.m5stack.com/post/1941</guid><dc:creator><![CDATA[lukasmaximus]]></dc:creator><pubDate>Wed, 07 Nov 2018 04:30:25 GMT</pubDate></item></channel></rss>