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The breadboard offers an easy way to build electrical circuits without soldering. The
2"x3" breadboard provided with your kit contains an array of holes where wires
and components are to be inserted. The holes in the center portion of the
breadboard are identifiable by row (vertical in the photos) and column
(horizontal). There are two sets of 30 rows numbered by 5's, and each set
of rows has 5 columns labeled a-e and f-j. The 5 holes on each row are electrically connected to each other
(but not across the center channel), so any components inserted into the same row would be connected just as if they had been soldered. However, the components can be removed and replaced with other components at any time, without the hassle of unsoldering and resoldering parts.
On either side of the breadboard are two columns marked by blue and red
lines. The 25 holes in each column are electrically connected, but the
columns aren't electrically connected to each other. The outermost column marked with the
red line at the top will be used for all +9 V connections, while the
outermost column
marked with the blue line at the bottom will used for all ground (negative)
connections.
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