Help with LED Cluster needed (Urgent)

hi,

i need project done possible (it's part of bigger project university), much appreciated! works 1 led 8 leds (on breadboard using 330 ohm resistors), use led cluster bought instead of 1 led or 8 leds. also, if have ideas increasing sensitivity of sound sensor, please let me know

i have following led cluster maplin: http://images.maplin.co.uk/300/pd01b.jpg
how go connecting led cluster arduino? (please bear in mind total newbie in electronics).

code: [select]

int sensorpin = 4;
// setting input pin sound sensor
int ledpin = 13;
// setting output pin light emitting diode
int val = 2;
// variable store value coming sensor

void setup() {
pinmode(ledpin, output);
// setting ledpin output
serial.begin(9600);
// initialising serial communication computer
}

void loop(){
val = analogread(sensorpin);
// reading analogue value sensor
serial.println(val);
// sending signal computer in form of ascii digits

if (val > 3) {
// if signal value received sensor higher 460
digitalwrite(ledpin, high);
// turn led on
}
else {
// otherwise
digitalwrite(ledpin, low);
// turn led off
}
delay(30);
}


led cluster details:

specifications (if=200ma)                                 
maximum luminous intensity:   23000mcd                              
viewing angle:   40°                              
typical forward voltage:   9.6v (11.2v)                              
peak wavelength:   660nm                              
maximum reverse current:   100µa @ vr=18v                              
power dissipation:   2.5w max.                              
dc forward current:   250ma max.                              
reverse voltage:   5v max.                              
operating temperature range:   -5°c +65°c


as said before, uni, stressing lot right now, appreciated

there's more 1 way go this.
the attachment 1 of many.
(it features "logic-level" mosfet.)

Arduino Forum > Using Arduino > LEDs and Multiplexing > Help with LED Cluster needed (Urgent)

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