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→Components
</gallery>
</gallery>
[[File:ne555.png|left|100px|555 timer IC]].
[[File:blinkypcb.jpg|left|100px|555 timer IC]].
[[File:soldering_course_circuit.jpg|left|500px|Blinking LED schematic]].
[[File:soldering_course_circuit.jpg|left|500px|Blinking LED schematic]].