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. 2021 Oct 8;21(19):6693. doi: 10.3390/s21196693

Figure 2.

Figure 2

The SEN classroom serving as the context of our student-centered learning environment where IoT-enhanced ABA was delivered. (A) Camera; (B) Light Sensor; (C) CO2/Humidity/Temperature Sensor; (D) Emotion Recognizer; (E) E4 wristband; (F) mobile client of the 3i-Learning System.