Elenco Electronics Electronic playground EP-130 - User Manual

160 pages

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ELECTRONIC

PLAYGROUND

and LEARNING CENTER

MODEL EP-130

Elenco

Electronics, Inc.

Wheeling, IL, USA

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

Main Page

Table of Contents2
Set / Reset Buzzer2
Before We Begin4
Installing the Batteries4
Making Wire Connections5
Components5
Building Your First Project9
Troubleshooting10
Helpful Suggestions10
Entertainment Circuits11
Electronic Woodpecker12
The Chirping Bird13
Electronic Cat14
Sonic Fish Caller15
Machine Gun Pulse Oscillator16
Electronic Motorcycle17
Two-Tone Patrol Car Siren18
Electronic Siren19
Electronic Metronome20
Electronic Grandfather Clock21
Light-Controlled Electronic Harp22
Horror Movie Sound Effects23
Strobe Light24
Rapid LED Display Switching (Persistence of Vision Test)25
Basic Semiconductor & Components Circuits26
A Big Change27
Capacitor Discharge/High Voltage Generator28
Capacitors in Series & Parallel29
Resistors in Series & Parallel30
Light Dimmer31
Transistor Switcher32
Transistor Circuit Action33
Sound Amplifier34
Flip-Flop Multivibrator with LED Display35
III. Led Digital Display Circuits36
Seven-Segment LED Digital Display Circuit37
Basic LED Display38
Transistor Control Switching of the LED Display39
Transistor, CDS Cell, and LED Display Circuit40
IV. a Tour through Digital Circuits41
Diode-Transistor Logic and with LED Display42
DTL or Circuit with LED Display43
DTL NAND Circuit with LED Display44
DTL Exclusive or Circuit45
Transistor nor Circuit with LED Display46
Transistor Flip-Flop Circuit47
Transistor Toggle Flip-Flop48
More Adventures with Digital Circuits49
Transistor-Transistor Logic Buffer Gate50
TTL Inverter Gate51
TTL and Gate52
TTL or Gate53
TTL Exclusive or Gate54
TTL nor Gate55
TTL Three-Input and Gate56
TTL and Enable Circuit57
TTL or Enable Circuit58
TTL NAND Enable Circuit59
TTL R-S Flip-Flop60
Toggle Flip-Flop Circuit Made from NAND Gate61
TTL Line Selector62
TTL Data Selector63
The World of Transistor-Transistor Logic64
TTL Astable Multivibrator65
TTL Tone Generator66
Winking Leds67
A One-Shot TTL68
Transistor Timer with TTL69
Buzzin' LED70
Son of Buzzin' LED71
Set / Reset Buzzer72
Sound Machine74
Big Mouth75
Shot in the Dark76
Application Circuits Based on the Oscillator77
Variable R-C Oscillator78
Oscillator with Turn-Off Delay79
Temperature-Sensitive Audio Oscillator80
Two-Transistor, Directly-Connected Oscillator81
Push / Pull Square Wave Oscillator82
Pencil Lead Organ83
LED Strobe Light84
Electronic Organ85
Daylight Early Bird86
Intermittent Alarm Detector87
Basic Operational Amplifier Circuits88
Comparator89
Basic Increase in DC Voltage90
Constant-Current Source91
Integrating Circuit92
Schmitt Trigger Circuit93
Non-Inverting Two Power Supply Amplifier94
Inverting Two Power Supply Amplifier95
Non-Inverting Single Power Supply Amplifier96
Two Power Supply Differential Amplifier97
Tone Mixing Amplifier98
Power Amplifier Using Operational Amplifier99
Voltage Controlled Oscillator Circuit100
Operational Amplifier Buzzer101
Burglar Alarm102
Hand-Operated Sweep Oscillator103
Falling Bomb Squad104
Emergency Siren105
First Aid Siren106
Musical Tempo Generator107
Operational Amplifier Winking LED108
LED Flashing Light109
Two LED Winker110
One Shot Light111
LED Initials112
Wake up Siren113
Voice Activated LED114
Logic Tester115
More Adventures with Operational Amplifiers116
Alternating Current Sound117
Light Control Sound Circuit118
Sound Alarm Circuit119
Study Timer120
Kitchen Timer121
Three-Input and Gate Using Operational Amplifier122
Voice Level Meter123
Power-On Reset Circuit124
Delayed Timer125
Pulse Frequency Doubler126
White Noise Generator127
DC-DC Converter with Operational Amplifier128
Communication Circuits129
Code Practice Oscillator with Tone Control130
Crystal Set Radio (Simple-Diode Radio)131
Two-Transistor Radio132
Wireless Code Transmitter133
AM Radio Station134
Operational Amplifier Radio135
XI. Testing and Measuring Circuits136
Aural Continuity Tester137
Conductivity Tester138
Transistor Checker139
Sinewave Audio Oscillator140
Low Distortion Sinewave Oscillator141
Twin-T Audio Oscillator142
Pulse Oscillator Tone Generator143
Audio Signal Tracer144
Radio Frequency Signal Tracer145
Square Wave Audio Oscillator146
Sawtooth Wave Oscillator147
Rain Detector148
Water Level Buzzer with Operational Amplifier149
Metal Detector150
Water Level Alarm151
Three-Step Water Level Indicator152
Index153
Parts List155
Definition of Terms156
Identifying Resistor Values159
Identifying Capacitor Values159
Metric Units and Conversions159

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Elenco Electronics Electronic playground EP-130 Specifications

General

Brand	Elenco Electronics
Model	Electronic playground EP-130
Category	Synthesizer
Language	English

Elenco Electronics Electronic playground EP-130 - User Manual

Table of Contents

Elenco Electronics Electronic playground EP-130 Specifications