Arduino board low cost

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1

Somebody knows how to assemble components from the link below?
link

2

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Kit of components for "barebone" Arduino.

See Internet search, or
Gammon Forum : Electronics : Microprocessors : Minimal circuit for Atmega328 processor (shows wire-wrapping)

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All, see:
Gammon Forum : Electronics : Microprocessors : How to make an Arduino-compatible minimal board

3

I don't know how to assemble 3 components.

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4

Google 5 Volt linear regulator

but, Arduino schematic shows:

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5

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