Interactive floor projection
grabcad
Open Sesame Challenge boasts of a LED projector and proximity sensor incorporated device. The OEM LED optical engines are budget-friendly while compact in size like the 2024L -3 Wt, 960*540 at just $65 (http://www.aaxatech.com/products/oem/lcos_engines.php). The projector offers various functionalities including class schedules, general messages, personalized messages, pin input, weather updates, news, and interactive games.
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