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重點部位平面分布圖及各科室安全責任人 注:各樓層及樓梯責任人每個課間都要到樓梯口值班疏散學生,出現(xiàn)事故,追究責任人 責任。 樓梯 五 樓 樓梯 四 樓 樓梯 三 樓 樓梯 二 樓 樓梯 一 樓 門廳
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There are 27 user-controllable LEDs on the DE2-70 board. Eighteen red LEDs are situated above the 18 toggle switches, and eight green LEDs are found above the pushbutton switches (the 9th green LED is in the middle of the 7-segment displays). Each LED is driven directly by a pin on the Cyclone II FPGA; driving its associated pin to a high logic level turns the LED on, and driving the pin low t