Assemble the circuit on a standard-objective PCB and enclose in a cabinet with adequate space for battery and switches. Mount the LEDs on the cabinet this kind of that they light up the room. A hole in the cabinet should be drilled to connect 230V AC input for the principal of the transformer. I have tested the circuit with twelve 10mm white LEDs.You can use more LEDs offered the total existing usage does not exceed one.5A. Driver transistor T2 can supply up to 1.5A with proper warmth-sink arrangement.<br><a href=http://automatic-led-emergency-ligh99.blog.friendster.com/2011/05/fundamental-configuration-of-a-fire-alarm-program/>Basic Configuration of a Fire Alarm System</a><br><a href=http://stacymayer921.terapad.com/index.cfm?fa=contentNews.newsDetails&newsID=1943411&from=list>Switch Around to Environment Safety</a>
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