Debra Ansell’s edge-lit rainbow illuminates seven acrylic “arcs” so that each glows with its own colors — with RGB LEDs on both ends for color mixing effects! Code it on a CPX and celebrate #CircuitPythonDay2024, or on an ESP8266 to display real-time weather conditions.
数百円で作れるレーザー盗聴器 (実際に作ってみました) - Engadget Japanese
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makezine.com: MAKE: technology on your time
