INTELLIGENT PJU PURWARUPA

A number of students observing the purwarupa public street lighting system (PJU) intelligent work of students SMK 1 Batam on the Education Exhibition 2013 at Engku Putri, Monday (13/5). The PJU system uses motion sensor as a solar powered light switch that will turn off automatically within a given time. ANTARA PHOTO/Joko Sulistyo/s/ama/13.

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