Elenco Snap Circuits SOUND &reg Uživatelský manuál

Copyright © by Elenco®Electronics, Inc. All rights reserved. No part of this book shall be reproduced by

Sound in Our WorldSound is a variation in air pressure created bya mechanical vibration. See projects 13 & 51for a demonstration of this. These ai

Sound in Our WorldIn stereo, sound is produced on severalspeakers (or earphones) with varyingfrequencies/loudness on each. This gives theimpression th

Sound in Our WorldSome of a sound wave’s energy can reflect offwalls or objects and come back to you.Normally you don’t notice these reflectionswhen y

Sound in Our WorldElectronically we amplify sound by convertingthe sound waves into an electrical signal,amplify the electrical signal, and then conve

Sound in Our Worldunnerving and unpleasant. Most electronicspeech processing systems being developeduse some form of speech prediction filters.Take a

Sound in Our WorldOn your U26 keyboard, the blue keysapproximate the 5th overtone notes, and thegreen keys approximate the 6th overtonenotes; actual f

DO’s and DON’Ts of Building CircuitsAfter building the circuits given in this booklet, you may wish to experiment on your own.Use the projects in this

Advanced Troubleshooting(Adult supervision recommended)ELENCO®is not responsible for partsdamaged due to incorrect wiring.If you suspect you have dama

Advanced Troubleshooting(Adult supervision recommended)9. Keyboard (U26): Build project 92, butomit the 0.1mF capacitor (C2) and the5.1kW resistor (R3

Project # Description Page # 1 Electronic Keyboard 20 2 Aligning the Ke

-1-1.Most circuit problems are due to incorrect assembly, alwaysdouble-check that your circuit exactly matches the drawing for it.2. Be sure that part

Project # Description Page # 94 Oscillator (III) 55 95 Oscillator

Project 1 Electronic KeyboardPlacement LevelNumbersSnappy says the green keyshave approximately doublethe pitch (frequency) of theblue keys. When the

To play a song, just press the key corresponding with the letter shown. Ifthere is a “–” after a letter, press the key longer than usual. Mary Had a L

Project 5Optical ThereminA theremin is an electronic musical instrument whereyou change the sound by moving your hands aroundnear it (without touching

Project 7 Voice ChangerPlacement LevelNumbers+Project 9Color Light+LEDs (Light Emitting Diodes)convert electrical energy into light;the color of the l

Build the circuit as shown, and connect your ownheadphones (not included in this set) to the audiojack (JA). Turn on the bottom slide switch (S1).Talk

Project 13 Sound Energy DemonstrationPour salt, glitter, or small foam/candyballs (not included) into the container,but do not cover the bottom.Assemb

TubeFlexible sheetContainer baseSpeakerSound Energy DemonstrationContainer Assembly(Adult supervision recommended)Pour salt, glitter, or smallfoam/can

This project requires stereo headphones or a stereo speaker; neither is includedwith this set, but this set does include a stereo cable to facilitate

Project 16Light & SoundProject 17See SawBuild the circuit as shown; note that a 2-snap wire is placed directlyunder the speaker (SP2). Turn off th

-2-Important: If any parts are missing or damaged, DO NOT RETURN TO RETAILER. Call toll-free (800) 533-2441 or e-mail us at:[email protected]. Customer

Project 18Light, Sound, & MotionUse the preceding circuit, but replace the 470mF capacitor(C5) with the 1mF capacitor (C7). The color LED (D8) isb

Project 20Keyboard with Voice ChangerProject 21Optical Keyboardwith Voice ChangerProject 22This circuit is similar to the preceding one, but adds opti

Project 24 Sound Controlled LightIf the adjustable resistor’s lever is set toolow then the color LED will never turnon; if it is set too high then the

Project 25Low Pitch KeyboardProject 26Lower Pitch KeyboardProject 28Echo Speed ChangerSet the 500kW adjustable resistor (RV3) to mid-range, turn OFF t

Project 29Keyboard EchoProject 30Lower PitchKeyboard EchoProject 31Optical Keyboard EchoProject 32Low PitchOpticalKeyboard EchoUse the precedingcircui

In this project you will listen to the keyboard sound both withand without echo, at the same time (in stereo). This projectrequires stereo headphones

Headphones or StereoSpeaker (not included)The 0.1mF capacitor (C2) isbeing used as a spacer (a1-snap wire) to supportother components. WARNING: Headp

Project 36Keyboard with Optical ThereminProject 37Keyboard withOpticalTheremin (II)Project 39Adjustable DualRange Keyboard (II)Project 40Adjustable Du

Project 41Your Music with EchoMP3 playerProject 42Your Music with Echo and LightMP3 playerThis circuit is similar to the preceding one, exceptit adds

Use the circuit from project 43,but replace the 100W resistor(R1) with the color LED (D8, “+”to the left). Now when you pressS2 to play the recording,

-3-Important: If any parts are missing or damaged, DO NOT RETURN TO RETAILER. Call toll-free (800) 533-2441 or e-mail us at:[email protected]. Customer

Project 47Super Optical Keyboard EchoProject 48Softer OpticalKeyboardEchoThis circuit is shown on the SnapCircuits®Sound box cover; usethat picture to

Project 50Super OpticalKeyboard Echo forHeadphonesHeadphones or StereoSpeaker (not included)WARNING: Headphones performance varies, so use caution. S

Sound is a variation in air pressure created by a mechanicalvibration. For a demonstration of this, take a stereo speaker inyour home (the larger the

Project 53 Brightness AdjusterProject 54BrightnessLimitersResistors are used to control or limit the flow of electricity in a circuit.Higher resistor

Photo BrightnessAdjusterProject 56Amplified PhotoBrightnessAdjusterProject 57Amplified BigBrightness AdjusterProject 58Vary the brightnessof the color

Project 59 Cup & String CommunicationHow it works: When you talk into the cup, the cupbottom vibrates back and forth from your soundwaves. The vi

Project 60MP3 playerProject 61Low PowerAudioAmplifierProject 62Audio Amplifier with L/R ControlBuild the circuit, and turnon the slide switch (S1).Con

Project 63Your Music without EchoMP3 playerProject 64Low PowerYour MusicwithoutEchoHere we are using theamplifier inside the echoIC (U28), without add

Project 66 L/R Music AmplifierMP3 playerThe left and right outputs ofyour music device are intendedto control separate speakers,but are combined hereb

Build the circuit, and turn on the slide switch (S1).The resistance of the 5.1kW resistor (R3) andmicrophone (X1) determine the pitch (frequency)of th

How to Use Snap Circuits®Snap Circuits®uses building blocks with snapsto build the different electrical and electroniccircuits in the projects. Each b

Project 70Time LightProject 71Time Light (II)The 470mF capacitor (C5)can store electricity. Thistimer circuit works by slowlycharging up C5; the color

Project 74 Day LightProject 75 Lower Day LightBuild the circuit, and turn on theslide switch (S1). Set the knob onthe 500kW adjustable resistor(RV

Listen to theLight ChangeProject 78The color LED actuallycontains separate red, green,and blue lights, with amicrocircuit controlling them.Each time t

Project 81LED Keyboard ControlProject 82LEDKeyboardControl (II)Project 83Photo LEDKeyboardControlUse the project 81 circuit, but replacethe 5.1kW resi

Build the circuit as shown. Place the circuit ina quiet room. Connect the speaker (SP2)using the red & black jumper wires, then holdit away from t

Build the circuit as shown. Place the circuit in a quietroom. Connect the speaker (SP2) using the red & blackjumper wires, then hold it away from

Project 92OscillatorThis circuit is an oscillator, because itproduces a repetitive electrical signal on itsown. You hear it as sound waves from thespe

Project 99Adjustable OscillatorProject 100AdjustableOscillator(II)Project 101AdjustableOscillator(III)Project 102AdjustableOscillator(IV)Project 103

Project 104ClickerThe color LED turns off briefly whenit changes colors. What you hear inthe speaker is the change in currentas the LED turns on or of

Project 1063V Audio AmplifierMP3 playerBuild the circuit as shown, and place it in a quiet room.Connect the speaker (SP2) using the red & black ju

-5-About Your Snap Circuits®SOUND Parts(Part designs are subject to change withoutnotice).BASE GRIDThe blue snap wiresare wires used toconnect compone

Use the preceding circuit, but add the 0.1mFcapacitor (C2) over the keyboard (U26)using a 1-snap wire, as shown. Press a blueand a green key at the sa

The color LED actually contains separate red, green,and blue LED controlled by a microcircuit. It is designedfor use with a stable voltage (like the b

Project 120Knob EchoProject 116Super Voice Echo with LightProject 117Press EchoProject 118Photo EchoBuild the circuit as shown,turn on the slide switc

Project 121Echo Light HeadphoneProject 122Echo LightHeadphone VariantsHeadphones (not included)WARNING: Headphones performance varies, so use caution

+Project 126Daylight Voice EchoNote that there is a 4-snap wire under Q2, partially hidden. Place the circuit in a quietroom with bright light shining

Project 127Dark Voice EchoProject 128Project 129Dark EchoVariantsUse either of the preceding twocircuits, but replace the microphone(X1) with the pres

Project 130Day Echo LightProject 131Day EchoVariantsProject 132Photo Light TimerBuild the circuit, and turnon the slide switch (S1). Ifthere is light

Project 135Tone Stoppers (II)The sound is a littlelouder now becausethe larger 1mFcapacitor passesmore of the tonethan the smaller0.1mF capacitor did.

Project 138 Tone Stoppers (V)Project 140Voice Changer with HeadphonesWARNING: Headphones performance varies, so use caution. Start withlow volume, t

Build the circuit (note that there is a 4-snap wire under Q2, partiallyhidden) and turn the slide switch (S1). Press any key on the keyboard(U26) and

About Your Snap Circuits®SOUND PartsLED-6-The speaker (SP) converts electricity into soundby making mechanical vibrations. Thesevibrations create vari

Build the circuit and turn the slide switch (S1). Press and hold down anygreen key on the keyboard (U26), and see what happens.Project 143Color Keyboa

-70-Project 147Color Keyboard (V)Project 148Color Keyboard(VI)Project 149Adjustable Voice Changer & LightProject 150AdjustableVoiceChanger &Li

Build the circuit and turn the slide switch (S1). Push the press switch(S2) and play keys on the keyboard (U26). Play fast, because thiskeyboard will

Project 153 Adjustable Timer ToneProject 154Photo TimerToneNote that there is a 3-snap wireunder Q2, partially hidden. Turnon both slide switches (S1)

Turn on both slide switches (S1). Move the lever onthe adjustable resistor (RV) all the way to the left orright, and watch the brightness of the color

Project 161Fast FlickerClickerTurn on the slide switch(S1). Move the lever onthe adjustable resistor(RV) around to make thecolor LED (D8) flicker andm

Project 164Little BatterySet the knob on the 500kW adjustable resistor (RV3) to theleft. Place the color LED (D8) across the points marked B &C (“

Project 168Capacitorsin Series (II)Turn on the right slide switch (S1). Pressany green key and compare the sound withthe left slide switch on or off.

Project 171Capacitors in ParallelProject 172Capacitors inParallel (II)Turn on the right slide switch (S1). Pressany green key and compare the sound wi

Turn on the right slide switch(S1). Set the lever on theadjustable resistor (RV) to eachside and compare the soundwith the left slide switch on or off

-7-About Your Snap Circuits®SOUND PartsAudio Jack (JA)OTHER PARTSThe stereo cable is used to connect theaudio jack (JA) to your music device orexterna

Turn on the right slide switch (S1).There are five resistors (R1, R3, RV,RV3, and RP), connected in parallel,that are controlling the current to theco

Project 179 Be a Loud MusicianProject 180Be a Loud Musician (II)Use the preceding circuit and songs, but press both the blue andgreen keys for each no

Build the circuit and turn on the right switch (S1). Pressone key in a series of long and short bursts with pausesin between, and use Morse Code to se

Transistor AudioAmplifierBuild the circuit with the speaker (SP2) connectedusing the red & black jumper wires. Set theadjustable resistor (RV) to

Method A (easy): Spread some water on the table intopuddles of different shapes, perhaps like the onesshown here. Touch the jumper wires to points at

Project 186Test Your HearingThis project requires a smart phone with an internet connection, so youcan download a free app. Find and download a “funct

This project requires a smart phone with an internet connection, so you candownload a free app. Find and download a “spectrum analyzer” app thatlets y

-86-OTHER SNAP CIRCUITS®PRODUCTS!For a listing of local toy retailers who carry Snap Circuits®visit www.elenco.com or call us toll-free at 800-533-244

SCS-185 SOUND Block LayoutImportant: If any parts are missing or damaged, DO NOT RETURN TO RETAILER.Call toll-free (800) 533-2441 or e-mail us at: he

Introduction to ElectricityWhat is electricity? Nobody really knows. We only know how to produce it,understand its properties, and how to control it.