how_to_use_a_breadboard.pdf

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It is used to build and
test circuits quickly
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abcde
5
by attaching
a power source
5
fgh i j
1
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9V Battery
w/snap
10
10
wire
15
LED
15
resistor
and components.
A
solderless breadboard
is a plastic box full of metal strips,
with a grid of holes on top.
tie-points
25
20
20
25
Trench
integrated
circuit
Usually a breadboard has a slot down the
middle called a
Trench.
The width is designed
so many
integrated Circuits
(ICS) fit right
across it.
the holes, called
Tie-points,
are the same
distance apart as the pins on many
ICs
and
other components.
1
45
40
35
30
25
10
10
ground bus -
tie-points connected
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15
connected
15
1
5
10
15
fgh i j
power bus -
tie-points connected
20
20
components
connected
components
connected
20
25
25
A breadboard’s long edge usually has two
distribution buses
for connecting
power
and
ground.
Rows
of connected tie-points run
perpendicular to the buses. To connect
component leads, put them in the same row.
abcde
Short pieces of wire called
jumpers
are
used to connect different rows.
power and ground jumped
to buses on other side
of board
IC pin connected to ground
IC pins connected together
using a solderless breadboard allows you to get your circuit up and running quickly so you can
test it. Once you have it just right, you can build a more permanent version on perfboard or a PCB!
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What would an “x-ray view” of a breadboard look like?
strips of metal connect
tie-points on distribution bus
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metal strips connect
row of 5 tie-points
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we can see the strips of metal beneath the tie-points. There are long strips beneath
the distribution buses and short strips connecting rows of 5 tie-points.
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