<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>elk tinker lab</title><description>Hardware builds, tinkering, and how-to guides.</description><link>https://elklabs.net/</link><item><title>Mini CRT Arcade Box</title><link>https://elklabs.net/posts/mini-crt-arcade/</link><guid isPermaLink="true">https://elklabs.net/posts/mini-crt-arcade/</guid><description>A desk-sitting retro arcade in a 3D-printed CRT-shaped enclosure — RetroPie on a Pi Zero W with a 3.5&quot; HDMI display, stereo speakers, and a front-panel volume knob.</description><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate></item><item><title>Motion Alarm — First Arduino Build</title><link>https://elklabs.net/posts/motion-alarm/</link><guid isPermaLink="true">https://elklabs.net/posts/motion-alarm/</guid><description>A PIR motion sensor, buzzer, and LED wired to an Inland Nano in under an hour. A beginner-friendly first microcontroller build — and the start of a bedroom booby trap.</description><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate></item><item><title>Nano Theremin — A 15-Minute Build with My Son</title><link>https://elklabs.net/posts/nano-theremin/</link><guid isPermaLink="true">https://elklabs.net/posts/nano-theremin/</guid><description>A hand-waving theremin on an Arduino Nano: ultrasonic sensor, passive buzzer, three jumper wires, and just enough explanation to teach my son what each part does.</description><pubDate>Sun, 26 Apr 2026 00:00:00 GMT</pubDate></item></channel></rss>