Laser line crossing sensor
August 6, 2019
Ambient Light Sensor
March 3, 2020
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Display board hook

These hooks have a small sensor, which sense that an item has been taken off the hook (or placed back)  and a micro-controller to send an event to digital signage system. Each hook has it’s own ID, so the digital signage system will know exactly what item the customer chose and display an information about this item.