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ChipsHackadayabout 4 hours ago
Glow Engine uses a laser like a slow-scan CRTThe Glow Engine, built by AJRussell, uses a 405 nm laser to energize Strontium Aluminate phosphor, creating images through slow fluorescence instead of cathode rays. A gimbal motor with Field Oriented Control and an ESP32 drives the scanning. Scanning left-to-right takes about eight seconds per frame.
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