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        Q: Printed circuit board help?
A: http : //blog.makezine.com/search/ ? q=print ... 

Q: Where to buy PCB Circuit Boards?
A: You could replace expected infrared LED with a notificationable one and the united statese it as a flashlight . 

Q: How do I build a Printed ciruit board (PCB) to a 555 circuit board?
A: Yes it is being are doing in numerous devices today . It is called System-on-Chip and System-in-Package .  See http : //en.wikipedia.org/wiki/System-on-a ... and  http : //en.wikipedia.org/wiki/System_in_p ...   However the green PCB or FR4 board continues to beed needed as a way to connect the chip to remainder of the world , i.e . the battery , the LCD displaying , the headset jack , etc .