<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>devol.dev</title><description>Interactive tools for robot kinematics, control, and motion planning.</description><link>https://devol.dev/</link><item><title>Tuning a PID by hand</title><link>https://devol.dev/posts/tuning-a-pid-by-hand/</link><guid isPermaLink="true">https://devol.dev/posts/tuning-a-pid-by-hand/</guid><description>Three gains, and every one of them is a trade you are making on purpose. Drag the sliders until the trades stop being abstract.</description><pubDate>Sun, 02 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Inverse kinematics, two ways</title><link>https://devol.dev/posts/inverse-kinematics-two-ways/</link><guid isPermaLink="true">https://devol.dev/posts/inverse-kinematics-two-ways/</guid><description>Every reachable point has two arm configurations. Which one you pick is a real engineering decision, and the tool shows you why.</description><pubDate>Sun, 02 Aug 2026 00:00:00 GMT</pubDate></item></channel></rss>