Lista wynalazków

ZoP Air cleaning and virus removal blackboard with IoT technology.

autorzy: LEE YOON JE

This invention effectively collects and sterilizes chalk powder, fine dust, and viruses generated during the process of erasing the blackboard, measures the amount of fine dust inside the classroom, automatically purifies the classroom air when the fine dust level exceeds 0.063 ppm, and collects fine dust information in the classroom