Advance acoustic SC750 ST Manual do Utilizador

Copyright © 2014 ELENCO®Electronics, Inc. All rights reserved. No part of this book shall be reproduced by

-9-About Your Snap Circuits®PartsRESISTORSAdjustable Resistor (RV)Resistors (R1, R3, & R5)SLIDE & PRESS SWITCHESThe speaker (SP2)converts el

-99-TubeFlexible sheetContainer baseSpeakerSound Energy DemonstrationContainer Assembly(Adult supervision recommended)Pour salt, glitter, or small

-100-This project requires stereo headphones or a stereo speaker; neither is includedwith this set, but this set does include a stereo cable to facili

-101-Project 199Light & SoundProject 200See SawBuild the circuit as shown; note that a 2-snap wire is placed directlyunder the speaker (SP2). Turn

-102-Project 201Light, Sound, & MotionUse the preceding circuit, but replace the 470mF capacitor(C5) with the 1mF capacitor (C7). The color

-103-Project 203Keyboard with Voice ChangerProject 204Optical Keyboardwith Voice ChangerProject 205This circuit is similar to the preceding one, but a

-104-Project 207 Sound Controlled LightIf the adjustable resistor’s lever is set toolow then the color LED will never turnon; if it is set too high th

-105-Project 208Low Pitch KeyboardProject 209Lower Pitch KeyboardProject 211Echo Speed ChangerSet the 500kW adjustable resistor (RV3) to mid-range, tu

-106-Project 212Keyboard EchoProject 213Lower PitchKeyboard EchoProject 214Optical Keyboard EchoProject 215Low PitchOpticalKeyboard EchoUse the prec

-107-In this project you will listen to the keyboard sound both withand without echo, at the same time (in stereo). This projectrequires stereo headph

-108-Headphones or StereoSpeaker (not included)The 0.1mF capacitor (C2) isbeing used as a spacer (a1-snap wire) to supportother components. WARNING

-10-About Your Snap Circuits®PartsTRANSISTORSThe phototransistor (Q4) is a transistor thatuses light to control electric current. Phototransistor

-109-Project 219Keyboard with Optical ThereminProject 220Keyboard withOpticalTheremin (II)Project 222Adjustable DualRange Keyboard (II)Project 223Adju

-110-Project 224Your Music with EchoMP3 playerProject 225Your Music with Echo and LightMP3 playerThis circuit is similar to the preceding one, excepti

-111-Use the circuit from project 226,but replace the 100W resistor(R1) with the color LED (D8, “+”to the left). Now when you pressS2 to play th

-112-Project 230Super Optical Keyboard EchoProject 231Softer OpticalKeyboard EchoThis circuit is shown on the SnapCircuits®Sound box cover; usethat

-113-Project 234Super OpticalKeyboard Echo forHeadphonesHeadphones or StereoSpeaker (not included)WARNING: Headphones performance varies, so use caut

-114-Sound is a variation in air pressure created by a mechanicalvibration. For a demonstration of this, take a stereo speaker inyour home (the larger

-115-Photo BrightnessAdjusterProject 237Amplified PhotoBrightnessAdjusterProject 238Amplified BigBrightness AdjusterProject 239Vary the brightnessof

-116-Project 240MP3 playerProject 241Low PowerAudioAmplifierProject 242Audio Amplifier with L/R ControlBuild the circuit, and turnon the slide switch

Project 243Your Music without EchoMP3 playerProject 244Low PowerYour MusicwithoutEchoHere we are using theamplifier inside the echoIC (U28), w

-118-Project 246 L/R Music AmplifierMP3 playerThe left and right outputs ofyour music device are intendedto control separate speakers,but are

-11-About Your Snap Circuits®PartsThe stereo cable is used to connect your musicdevice to the color organ (U22) or audio jack(JA). Prismatic

-119-Build the circuit, and turn on the slide switch (S1).The resistance of the 5.1kW resistor (R3) andmicrophone (X1) determine the pitch (freq

-120-Project 250Time LightProject 251Time Light (II)The 470mF capacitor (C5)can store electricity. Thistimer circuit works by slowlycharging up

-121-Project 254 Day LightProject 255 Lower Day LightBuild the circuit, and turn on theslide switch (S1). Set the knob onthe 500kW adjustable

-122-Listen to theLight ChangeProject 258The color LED actuallycontains separate red, green,and blue lights, with amicrocircuit controlling th

-123-Project 261LED Keyboard ControlProject 262LEDKeyboardControl (II)Project 263Photo LEDKeyboardControlUse the project 261 circuit, butreplace

-124-Build the circuit as shown. Place the circuit ina quiet room. Connect the speaker (SP2)using the red & black jumper wires, then holdit

-125-Build the circuit as shown. Place the circuit in a quietroom. Connect the speaker (SP2) using the red & blackjumper wires, then hold it away

-126-Project 272OscillatorThis circuit is an oscillator, because itproduces a repetitive electrical signal on itsown. You hear it as sound waves

-127-Project 280 Adjustable OscillatorProject 281AdjustableOscillator(II)Project 282AdjustableOscillator(III)Project 283AdjustableOscillator(IV)Projec

-128-Project 285ClickerThe color LED turns off briefly whenit changes colors. What you hear inthe speaker is the change in currentas the LED turns on

-12-Introduction to ElectricityWhat is electricity? Nobody really knows. We only know how to produce it,understand its properties, and how

-129-Project 2873V Audio AmplifierMP3 playerBuild the circuit as shown, and place it in a quiet room.Connect the speaker (SP2) using t

-130-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

-131-The color LED actually contains separate red, green,and blue LED controlled by a microcircuit. It is designedfor use with a stable voltage (like

-132-Project 301Knob EchoProject 297Super Voice Echo with LightProject 298Press EchoProject 299Photo EchoBuild the circuit as shown,turn on the sl

-133-Project 302Echo Light HeadphoneProject 303Echo LightHeadphone VariantsHeadphones (not included)WARNING: Headphones performance varies, so use ca

-134-+Project 307Daylight Voice EchoNote that there is a 4-snap wire under Q2, partially hidden. Place the circuit in a quietroom with bright light sh

-135-Project 308Dark Voice EchoProject 309Project 310Dark EchoVariantsUse either of the preceding twocircuits, but replace the microphone(X1)

-136-Project 311Day Echo LightProject 312Day EchoVariantsProject 313Photo Light TimerBuild the circuit, and turnon the slide switch (S1). Ifthere is

-137-Project 316Tone Stoppers (II)The sound is a littlelouder now becausethe larger 1mFcapacitor passesmore of the tonethan the smaller0.1mF c

-138-Project 319 Tone Stoppers (V)Project 321Voice Changer with HeadphonesWARNING: Headphones performance varies, so use caution. Start withlow volu

-13-Light in Our WorldWhat would our world be like without light?Moving and doing things in total darknesswould be much more difficul

-139-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)

-140-Build the circuit and turn the slide switch (S1). Press and hold down anygreen key on the keyboard (U26), and see what happens.Project 324Color K

-141-Project 328Color Keyboard (V)Project 329Color Keyboard(VI)Project 330Adjustable Voice Changer & LightProject 331AdjustableVoiceChanger &L

-142-Build the circuit and turn the slide switch (S1). Push the press switch(S2) and play keys on the keyboard (U26). Play fast, because th

-143-Project 334 Adjustable Timer ToneProject 335Photo TimerToneNote that there is a 3-snap wireunder Q2, partially hidden. Turnon both slide switches

-144-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

-145-Project 342Fast FlickerClickerTurn on the slide switch(S1). Move the lever onthe adjustable resistor(RV) around to make thecolor LED (D

-146-Project 345Little BatterySet the knob on the 500kW adjustable resistor (RV3) to theleft. Place the color LED (D8) across the points marked B &

-147-Project 349Capacitorsin Series (II)Turn on the right slide switch (S1). Pressany green key and compare the sound withthe left slide switch on or

-148-Project 352Capacitors in ParallelProject 353Capacitors inParallel (II)Turn on the right slide switch (S1). Pressany green key and compare the sou

-14-Light in Our WorldWhen light hits a glass surface at a wideenough angle, all the light is reflected. Fiberoptic cables have arrays of

-149-Turn on the right slide switch(S1). Set the lever on theadjustable resistor (RV) to eachside and compare the soundwith the left sli

-150-Turn on the right slide switch (S1).There are five resistors (R1, R3, RV,RV3, and RP), connected in parallel,that are controlling the curre

-151-Project 360 Be a Loud MusicianProject 361Be a Loud Musician (II)Use the preceding circuit and songs, but press both the blue andgreen keys for ea

-152-Transistor AudioAmplifierBuild the circuit with the speaker (SP2) connectedusing the red & black jumper wires. Set theadjustable res

-153-Method A (easy): Spread some water on the table intopuddles of different shapes, perhaps like the onesshown here. Touch the jumper wires t

-154-Project 366Test Your HearingThis project requires a smart phone with an internet connection, so youcan download a free app. Find and download a “

-155-This project requires a smart phone with an internet connection, so you candownload a free app. Find and download a “spectrum analyzer” app thatl

-156-Project 370Optical SoundMakerBuild the circuit and turn on the switch (S1). Varythe amount of light shining into the photoresistor(RP) to change

-157-Build the circuit and turn on the slideswitch (S1). Adjust the red LED (D1)flash rate using the 500kW adjustableresistor (RV3), a

-158-Build the circuit as shown. Place the clear cable holder on the white LED(D6) and the black cable holder on the phototransistor (Q4), then place

-15-Light in Our WorldThe Spectrum of LightThe light our eyes see is only part of what is around us. Visible light,infrared light, radio waves (includ

-159-Build the circuit as shown. Place the clear cable holder on the color LED(D8) and the black cable holder on the phototransistor (Q4), then placet

-160-Project 383Tone Speed ChangerSet the 500kW adjustable resistor (RV3) to mid-range, turn OFF theleft slide switch (S1), and then turn on the right

-161-Build the circuit as shown. Place the clear cable holder on the whiteLED (D6) and the black cable holder on the phototransistor (Q4),then place t

-162-Build the circuit as shown. Place the clear cable holder onthe color organ (U22) and the black cable holder on thephototransistor (Q4), then plac

-163-Project 389 Light Dance Audio OverrideProject 390 Light Dance Light OverrideBuild the circuit, which is similar to project 35 (Danceto the Music)

Project 392-164-Build the circuit as shown. Place the clear cableholder on the color organ (U22) and the blackcable holder on the phototran

-165-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 800-533-24

-166-SCC-350_Manual_Part_C.qxp 7/25/14 2:11 PM Page 55

SCC-350 Light & Sound Combo Block LayoutImportant: If any parts are missing or damaged, DO NOT RETURN TO RETAILER.Call toll-free (800) 533-2441 or

-16-Sound in Our WorldSound is a variation in air pressure created bya mechanical vibration. See projects 13 & 51for a demonstration of this. Thes

-17-Sound in Our WorldIn stereo, sound is produced on severalspeakers (or earphones) with varyingfrequencies/loudness on each. This gives th

-18-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 r

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

-19-Sound in Our WorldElectronically we amplify sound by convertingthe sound waves into an electrical signal,amplify the electrical signal, and

-20-Sound in Our Worldunnerving and unpleasant. Most electronicspeech processing systems being developeduse some form of speech prediction filters

-21-Sound in Our WorldOn your U26 keyboard, the blue keysapproximate the 5th overtone notes, and thegreen keys approximate the 6th overtone

-22-DOs and DON’Ts of Building CircuitsAfter building the circuits given in this booklet, you may wish to experiment on your own.Use the projects i

-23-Advanced Troubleshooting(Adult supervision recommended)ELENCO®is not responsible for partsdamaged due to incorrect wiring.If you suspect you have

-24-Advanced Troubleshooting(Adult supervision recommended)10. NPN transistor (Q2): Build the mini-circuit shown here. The red LED (D1)shoul

-25-Advanced Troubleshooting(Adult supervision recommended)19. Echo IC (U28): Build the circuit shown atright, turn it on, and set the knob on the500k

-26-Project # Description Page # 1 Color Light 30 2 White

-27-Project # Description Page # 100 Stuck On Light 64 101 Stuck On Lig

-28-Project # Description Page # 199 Light & Sound 101 200 See Saw

-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:help@el

-29-Project # Description Page # 295 Red to White 131 296 Alarm

-30-Project 1 Color Light+Project 2 White Light Project 3 Red Light+The white LED produces very bright light.LEDs are this one are increasi

-31-Project 4 Light Show+++Placement LevelNumbersLED AttachmentsAll the lights in this set are LEDs - LightEmitting Diodes. LEDs convert electricalene

-32-Project 5 Voice Light ShowProject 6 Play the Color OrganThe light in the color organ module isactually red, green, and blue LEDs together.T

-33-!WARNING: Moving parts. Do nottouch the fan or motor during operation.Do not lean over the motor. Fan maynot rise until switch is released. Pro

-34-!WARNING: Moving parts.Do not touch the fan ormotor during operation. Donot lean over the motor. Project 9 Big Circuit+This circuit does a lo

-35-!WARNING: Moving parts. Donot touch the fan or motorduring operation. Do not leanover the motor. Fan may notrise until switch is rel

-36-Fiber Optics Project 12BlackClearThis project is more exciting than it looks. The tone sounds producedby the strobe IC (U23) are played on

Project 13 Tones Over LightProject 14 Color Optic SoundsThis is similar to project 12 butnot as loud. The project 12circuit uses a two-transis

-38-Project 15Color Light TransporterProject 16 Color OpticsLight can travel throughfiber optic cables overgreat distances, eventhrough bends a

-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:help@el

-39-Project 17High Power Fiber OpticsProject 18 High ColorOptics SoundsBlackClearThe circuits on this page are similar toprojects 12 and 14, but have

-40-Project 19 Sound MakerProject 20Strobe LightProject 21Color StrobeLightProject 22Red StrobeLightThe color LED will not bechanging colors like

-41-Project 23 Noisy Strobe LightProject 26 Louder Strobe LightProject 24Noisy RedStrobe LightProject 25DoubleStrobe LightProject 27Louder ColorStrobe

-42-Project 28 Triple Strobe LightProject 30Noisy Triple StroberProject 31Triple Light NoisyMotion StroberProject 29Noisy DoubleStrobe Light!WARNING:

Project 32Automatic LightProject 33Color OscillatorLEDAttachmentsProject 34 Slow ColorOscillator-43-Build the circuit and turn on the slide switch (S

-44-Project 35 Dance to the MusicProject 36Super Dance to the MusicMP3playerMP3playerProject 37SuperDanceto theMusic (II)LEDAttachmentsThis circuit

-45-Project 38 Follow the MusicProject 39Color Organ - HeadphonesMP3playerCompare the sound qualityof using headphones in thiscircuit, to using the

-46-Project 40Adjustable Light DanceProject 41 Suspended RaindropsFaucetLEDAttachmentsBuild the circuit as shown. For best effects, place one

-47-Project 42 Infrared DetectorProject 43Audio Infrared DetectorRemoteTV remote controls transmit asequence of pulses representing theTV model an

-48-Project 44Photo Infrared DetectorProject 45Photo Audio Infrared DetectorProject 46Photo AudioInfraredDetector(II)RemoteRemoteThe phototransistor

-4-Parts List (Colors and styles may vary) Symbols and Numbers (page 3)Qty. ID Name Symbol Part # Qty. ID Name Symbol Part # r 1Strobe IC 6SCU23 r 1

-49-Project 47 Strobe EffectsProject 48Slow StrobeEffectsTabSlide tabs into slots.Tab TabPlace disc holder ontothe motor as shown.Hold white LED (D6)o

-50-Project 51Strobe Effects (III)Project 52Strobe Effects (IV)Project 53Strobe Effects (V)Project 49Stable Strobe EffectsThe 0.1mF capacitor has

-51-Project 54Strobe Effects (VI)Project 55Make Your OwnStrobe EffectsProject 56 Another Strobe LightTabSlide tabs into slots.Tab TabPlace disc holder

-52-Project 57 Motor Strobe EffectsProject 58Motor Strobe Effects (II)Project 59Motor Strobe Effects (III)TabSlide tabs into slots.Tab TabPlace disc h

-53-Project 60 LEDs TogetherProject 61 LEDs Together (II)This circuit reduces the voltage to the circuit,because only one set of batteries is c

Project 62 Brightness ControlProject 63ResistorsProject 64 Resistors & LEDsResistors are used to control or limit the flow of electricity

-55-Project 66Low Power Brightness ControlProject 67Low PowerResistors & LEDsProject 68 Persistence of VisionBlack“Persistence of Vision” works

-56-Project 71Scattering LightProject 69 Prismatic Film Project 70Project 72Color Fiber LightPrismatic film separates lightinto different c

-57-Project 73 One Way PlasticProject 74 White BlinkerSide view of base gridThe color LED (D8)has a microcircuitthat changes thelight colors.

-58-Project 77 Color Selector - RedProject 78ColorSelector -GreenProject 79Color Selector - BlueProject 80Color Selector - CyanProject 82Color Selecto

-5-How to Use Snap Circuits®Snap Circuits®uses building blocks with snapsto build the different electrical and electroniccircuits in the projects.

-59-Project 84LED Color SpectrumProject 85LED ColorSpectrum (II)Project 86LED Color Spectrum (III)Project 87LED Color Spectrum (IV)Project 88LED Color

-60-Project 89 Blinking BeepingProject 91 Blinking ControlProject 92Blinking ControlBeepingProject 90BlinkingBlinkingThe color LED (D8) has amicr

-61-Project 94 Funny Speed MotorProject 95FunnySpeedMotorwith LightProject 93 Triple Blinker!WARNING: Moving parts. Do nottouch the fan or moto

-62-Project 96 Counting LightProject 97 Adjustable Counting LightThe color organ is countinghow many times light turns thephototransistor on or

-63-Project 98 Bright Off LightProject 99 R/C Blink & BeepRemoteBuild the circuit as shown and turn on the switch (S1). Place the circuit ina dark

-64-Project 102 White BlinkerProject 104Stuck On Motor & LightsProject 103Low Voltage Stuck On LightsStuck On LightProject 101Stuck OnLights!WA

-65-Project 105 Funky Light & SoundProject 107Light & MotionProject 106Light & SoundAdjustable Light & SoundProject 109AdjustableLi

-66-Project 110 Blinking Step MotorProject 111 Blink Step Beep!WARNING: Moving parts. Do nottouch the motor during operation.Build the circuit as s

-67-Project 113Night BlinkerProject 112Day BlinkerNight Light ShowProject 115DaylightLight ShowProject 114MP3playerLED AttachmentsBuild the circuit as

-68-Project 116 BuzzerProject 118Photo Light & MotionProject 119Slow Light &MotionLight Up the FanProject 120This circuit is anoscillat

-6-How to Use Snap Circuits®This set contains three LED attachments,which can be mounted on the LED modules(D1, D6, D8, and on U22) to enh

-69-Project 121High Power BuzzerProject 123Photo BuzzerProject 124Step BeeperProject 125Wacky BuzzerProject 122Buzz Fan!WARNING: Moving parts. Do not

-70-Project 126 Fiber FunProject 127Fiber FunBackwardsProject 128 More Fiber FunProject 129OtherFiber FunBlackClearCl

-71-Project 130 Morse CodeMorse Code: The forerunner of today’s telephone systemwas the telegraph, which was widely used in the latter halfof the 19th

-72-Project 132 Blow On FiberProject 133 Fiber MusicMP3player+BlackClearClearBlackBuild the circuit as shown. Place the clearcable holder on the color

-73-Project 134 Fiber Color OrganProject 135Bright Fiber Color OrganMP3playerMP3player(Optional)(Optional)BlackClearClearBlackBuild the circuit as sho

-74-Project 136 Motor Power Project 137More Motor Power!WARNING: Moving parts. Do nottouch the fan or motor duringoperation.Project 138R

-75-Project 139 Cup & String CommunicationHow it works: When you talk into the cup, the cupbottom vibrates back and forth from your soundwaves. T

-76-Project 140 Slow Motor Speed ControlProject 141Slow Motor Start AidThe motor needs a lot of electricity to startspinning, but needs less the faste

-77-Project 143 Series LightsProject 144 Wacky Sound ControlThis circuit has all the partsconnected in a series. Swappingthe locations of

-78-Method A (easy): Spread some water on thetable into puddles of different shapes, perhapslike the ones shown here. Touch the jumperwires to points

-7-How to Use Snap Circuits®Sound Energy DemonstrationContainer Assembly(Adult supervision recommended)FlexiblesheetBaseTubeThis set contains a so

-79-Project 148 Blow On the LightProject 149 Blow Off the LightThe microphone is a resistorthat changes in value due tochanges in air pressur

-80-Project 150 TransistorProject 151 Another TransistorTransistors, such as the NPN transistor (Q2),can amplify electric currents. In this circuit,th

-81-Project 155 Mini BatteryProject 154Charging & DischargingProject 153MiniCapacitorProject 152AdjustableCharging &DischargingTurn on the s

-82-Photo Current AmplifierProject 157LEDs &TransistorsProject 156Project 158 PNP AmplifierThe NPN transistor (Q2) is a currentamplifier. When a s

-83-Project 159 Photo ControlProject 160 Resistance DirectorThe adjustable resistor can beadjusted from about 200 ohms toabout 50,000 ohms. The w

-84-Project 161 Current Controllers -SeriesProject 162 Current Controllers -ParallelResistors are used to control theamount of current through aci

-85-Project 163 Blow Sound ChangerShort LightProject 165ShorterLightProject 164When you turn on the switch (S1), you hear a siren sound. Blow intothe

-86-Project 167Air Pressure Light ControlProject 166Photo Light ControlProject 168 Slow On, Slower OffThe phototransistoruses light to controlelectric

-87-Project 169Delayed Photo Speed ControlProject 170DelayedSpeedControl !WARNING:Moving parts. Do nottouch the fan or motorduring operation.Pro

-88-Project 174 Light BuzzProject 176 Delay LightsProject 175Light Buzz(II) Turn on the switch (S1). If there isenough light on the phototr

-8-About Your Snap Circuits®Parts(Part designs are subject to change withoutnotice).BASE GRIDThe blue snap wiresare wires used toconnect c

-89-Project 178Narrow Range ToneProject 177 Touch LightProject 179 Slow Off LightsBuild the circuit. It doesn’t doanything, and may appear t

-90-Project 180 3D PicturesThese pictures contain separate red &blue images, taken from slightly differentviewpoints, combined together. Whenyo

-91-Project 181 Super Infrared DetectorRemoteInfrared light can be given off by anythingwarm. Sunlight and room lights emit someinfrared

-92-Project 182 Infrared Optical AudioProject 183 Test the Color OrganMP3playerHeadphones (Optional)RemoteBlackClearYou need an infrared remote con

-93-Project 184Electronic KeyboardPlacement LevelNumbersSnappy says the green keyshave approximately doublethe pitch (frequency) of theblue key

-94-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

-95-Project 188Optical ThereminA theremin is an electronic musical instrument whereyou change the sound by moving your hands aroundnear it (without to

-96-Project 190 Voice ChangerPlacement LevelNumbers+Project 192Color Light+LEDs (Light Emitting Diodes)convert electrical energy into light;the co

-97-Build the circuit as shown, and connect your ownheadphones (not included in this set) to the audiojack (JA). Turn on the bottom slide sw

-98-Project 196 Sound Energy DemonstrationPour salt, glitter, or small foam/candyballs (not included) into the container,but do not cover the bottom.A