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Refik writes – “This is a little description and a how to make your own professional PCB (printed circuit boards) cheaply. It will help the newbie to get started and a professional to make his own embedded devices. The costs of this PCB were 20$, what’s cheap for a pro PCB.”Link.

Eagle Output Tutorial – Link.

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Printed Circuit Boards. Step-by-step instructions for making your own PCBs at home. MAKE 02 – Page 164.