can someone help me with this

Projects Programming
11 
unsigned int  rawData[67] = {4500,4500, 500,1700, 550,1700, 500,1700, 550,600, 500,600, 500,550, 600,550, 550,600, 500,1650, 550,1750, 500,1700, 500,600, 550,600, 500,600, 500,600, 550,550, 550,600, 500,1700, 550,600, 500,600, 500,550, 550,600, 550,600, 500,550, 550,1700, 550,600, 500,1650, 550,1750, 500,1650, 550,1750, 500,1700, 500,1750, 500};

I don't understand this.
You could divide those values by 50, and halve the RAM usage.
You could divide the values by 50, and leave them in PROGMEM, and reduce your RAM usage even further.