Working%20with%20%20The%20Breadboard

1
Practice Problems to become familiar with
circuits and circuit diagrams
2
The Breadboard
Practice Problem
Identify the various components in this
breadboard circuit.
Resistors
Light emitting diodes
Dip Switches (8 separate switches in
the set)
Digital component
Resistors
Dip Switches
AND Logic Devices (7408)
Resistors
Light emitting diodes
5 volts
0 volts
3
The Breadboard
Practice Problem
Draw the circuit diagram for the breadboard
circuit presented below.
5 volts
0 volts
4
The Breadboard
Practice Problem
Draw the circuit diagram for the breadboard c
circuit presented below.
5 volts
0 volts
There are actually 2 separate circuits on this
breadboard.
One is on the green side of the breadboard.
The other is on the blue side of the breadboard.
Lets do the green side circuit first
5
The Breadboard
Practice Problem
Draw the circuit diagram for the circuit on Green
side of breadboard
A
B
Open
Both switches are shown above in the open position
Switch A has two positions
Closed
Open
Switch B has two positions
Closed
6
The Breadboard
Practice Problem
Sorry no answers provided yet, you should work
this out yourself.
Is the light on or off right now?
Is the light on or off if switch A is closed?
A
Is the light on or off if switch A is open but
switch B is closed?
B
LED
Is there a unique combination of switch settings
for the light to be on?
For now, push on to the blue circuit.
7
The Breadboard
Practice Problem
Draw the circuit diagram for the circuit on blue
side of breadboard
8
The Breadboard
Practice Problem
Draw the circuit diagram for the circuit on blue
side of breadboard
9
The Breadboard
Practice Problem
Draw the circuit diagram for the circuit on blue
side of breadboard
10
The Breadboard
Practice Problem
3
Is LED 1 on or off if switch A is open?
Is LED 2 on or off if switch B is closed?
A

B
-
1
2
Is LED 3 on or off if switch B is closed?
11
The Breadboard
Practice Problem
3
Is LED 1 on or off if switch A is open?
Is LED 2 on or off if switch B is closed?
A

B
-
1
2
Is LED 3 on or off if switch B is closed?