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EP-130
Elenco Electronics EP-130 User Manual
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ELENCO
®
150 Car
penter A
v
enue
Wheeling, IL 60090
(847) 541-3800
W
ebsite:
www
.elenco
.com
e-mail:
elenco@elenco
.com
Cop
yr
ight © 2012, 2009 by Elenco
®
Electronics, Inc.
All rights reser
ved.
REV
-A Re
vised 2012
753039
No par
t of this book shall be reproduced by an
y means; electronic
, photocopying, or otherwise without written permission from the publisher
.
ELECTR
ONIC
PLA
YGR
OUND
TM
and LEARNING CENTER
MODEL EP-130
ELENCO
®
Wheeling,
IL,
USA
2
Table of Contents
Default Chapter
2
Table of Contents
2
Before We Begin
4
Installing the Batteries
4
Components
5
Making Wire Connections
5
Building Your First Project
9
Helpful Suggestions
10
Troubleshooting
10
Playground of Electronic Circuits
11
Woodpecker
12
Police Siren
13
Metronome
14
Grandfather Clock
15
Harp
16
Tweeting Bird
17
Meowing Cat
18
Callin' Fish
19
Strobe Light
20
Sound Effects for Horror Movies
21
Machine Gun Oscillator
22
Motorcycle Mania
23
Vision Test
24
Patrol Car Siren
25
II. Basic Electronics Circuits
26
A Major Change
27
Dimming the Light
28
Flip Flopping
29
Capacitor Discharge Flash
30
Transistor Action
31
Series and Parallel Capacitors
32
Transistor Switching
33
Series and Parallel Resistors
34
Amplify the Sound
35
III. Led Display Circuits
36
LED Display Basics
37
Digital Display Circuit for the Seven-Segment LED
38
LED Display with Cds and Transistor
39
Switching the LED Display Using Transistor Control
40
IV. Welcome to Digital Circuits
41
Flip-Flop" Transistor Circuit
42
Toggle Flip-Flop" Transistor
43
AND" Diode Transistor Logic with LED Display
44
OR" DTL Circuit with Display
45
NAND" DTL Circuit with Display
46
NOR" Transistor Circuit with Display
47
Exclusive OR" DTL Circuit
48
More Fun with Digital Circuits
49
BUFFER" GATE Using TTL
50
INVERTER" GATE Using TTL
51
AND" GATE Using TTL
52
OR" GATE Using TTL
53
R-S Flip-Flop" Using TTL
54
Triple-Input AND" Gate Using TTL
55
AND" Enable Circuit Using TTL
56
NAND" Enable Circuit Using TTL
57
NOR" Enable Circuit Using TTL
58
NAND" Gate Making a Toggle Flip-Flop
59
Exclusive OR" GATE Using TTL
60
OR" Enable Circuit Using TTL
61
Line Selector Using TTL
62
Data Selector Using TTL
63
VI. Meet Transistor-Transistor Logic
64
Blinking Leds
65
Machiny Sound
66
Astable Multivibrator Using TTL
67
Tone Generator
68
Monster Mouth
69
Dark Shooting
70
A One-Shot TTL
71
Transistor Timer Using TTL
72
LED Buzzin
73
Another LED Buzzin
74
Set/Reset Buzzer
75
Another Set/Reset Buzzer
76
VII. Oscillator Application Circuits
77
Ode to the Pencil Lead Organ
78
Double-Transistor Oscillator
79
Decimal Point Strobe Light
80
The Early Bird Gets the Worm
81
Adjustable R-C Oscillator
82
Heat-Sensitive Oscillator
83
Pulse Alarm
84
Pushing & Pulling Oscillator
85
Slow Shut-Off Oscillator
86
VIII. Meet the Operational Amplifier
88
Operational Amplifier Comparator
89
Changing Input Voltage
90
Non-Inverting Dual Supply Op Amp
91
Inverting Dual Supply Op Amp
92
Non-Inverting Amplifier
93
Dual-Supply Differential Amplifier
94
Miller Integrating Circuit
95
Stable-Current Source
96
Operational Amplifier Blinking LED
97
LED Flasher
98
Double LED Blinker
99
Single Flash Light
100
Introducing the Schmitt Trigger
101
Initials on LED Display
102
Logic Testing Circuit
103
Voice-Controlled LED
104
Buzzin' with the Op Amp
105
Sweep Oscillator
106
Falling Bomb
107
Alert Siren
108
Crisis Siren
109
Op Amp Metronome
110
Burglar Buzzer
111
IX. more Fun with Operational Amplifiers
116
Voice Power Meter
117
Reset Circuit
118
RC Delay Timer
119
Listen to Alternating Current
120
Pulse Frequency Multiplier
121
White Noise Maker
122
Light-Controlled Sound
123
DC-DC Converter
124
Super Sound Alarm
125
Op Amp Three-Input "AND" Gate
126
Timer
127
Cooking Timer
128
X. Radio and Communication Circuits
129
Operational Amplifier am Radio
130
AM Code Transmitter
131
AM Radio Station
132
Crystal Set Radio
133
Two-Transistor Radio
134
Morse Code Oscillator with Tone Control
135
XI. Test and Measurement Circuits
136
Water Level Warning
137
Water Level Alarm
138
Audio Signal Hunter
139
RF Signal Tracer
140
Square Wave Oscillator
141
Sawtooth Oscillator
142
Audio Continuity Tester
143
Audio Rain Detector
144
Audio Metal Detector
145
Water Level Buzzer
146
Resistance Tester
148
Transistor Tester
149
Sine Wave Oscillator
150
Sine Wave Oscillator with Low Distortion
151
Twin-T Oscillator
152
Index
153
Parts List
155
Definition of Terms
156
Identifying Resistor Values
159
5
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Elenco Electronics EP-130 Specifications
General
Number of Projects
130
Age Range
10+
Power Source
Battery
Type
Educational Electronics Kit
Battery Type
AA
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instruction manual
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