Elenco Electronics SP-3B User Manual

Copyright © 2005 by Elenco®Electronics, Inc. All rights reserved. No part of this book shall be reproduced by 753104any means; electronic, photocopyin

-9-Project #308Build the circuit shown. Turn on the slide switch (S1), you hear a beepsignaling that you may begin recording. Talk into the microphone

-10-Project #312Connecting the power amplifier IC (U4) to the output of the recordingIC (U6), you can make much louder music than project #308.Turn on

-11-Project #316OBJECTIVE: To build a working FM radio.The FM module (FM) contains a scan (T) and a reset (R) button. TheR button resets the frequency

-12-Project #318OBJECTIVE: To learn the principle of an SCR.This circuit demonstrates the principle of the SCR (Q3). The SCR canbe thought of as an el

-13-Project #320OBJECTIVE: To build a music alarm.The alarm circuit activates when you remove the jumper wire frompoints A & B. The jumper wire sh

-14-Project #323OBJECTIVE: To build a 3mA meter circuit.3mA MeterProject #324OBJECTIVE: To build a voltmeter.0-3V VoltmeterBuild this 0-3V voltmeter c

-15-Project #325OBJECTIVE: To understand the function of the adjustable resistor.An adjustable resistor is a normal resistor with an additional arm co

-16-Project #328OBJECTIVE: To learn the principle of an SCR.In this circuit, the 6-volt bulb (L2) will not light until the SCR (Q3) istriggered. Turn

-17-Project #329OBJECTIVE: To demonstrate how a seven segment LED works.The display (D7) is made up of seven segments. Each segmentcontains an LED con

-18-Project #334OBJECTIVE: To configure the sevensegment to display the number 5.Connect A, F, G, C, & D to the negative of thebattery.Display #5P

-1-Table of ContentsBasic Troubleshooting 1Parts List 2MORE About Your Snap Circuits Parts 3, 4MORE Advanced Troubleshooting 4MORE DO’s and DON’Ts of

-19-Project #341OBJECTIVE: Turn on and off LED’s using a relay.A relay is an electronic switch with contacts that are opened or closedusing voltage. I

-20-Project #343OBJECTIVE: To build a half wave rectifier circuit.A rectifier changes an AC voltage into a DC voltage. A diode (D1) isused because it

-21-Project #347OBJECTIVE: Making telegraph sounds.Press the press switch (S2) down. The circuit oscillates and the ACvoltage generated from the trans

-22-Project #353OBJECTIVE: To make a relay buzzer.When you turn on the switch (S1), you should hear a buzzing soundfrom the relay (S3). The sound is c

Project #355OBJECTIVE: To use a photoresistor to control a relay.Under normal light, the resistance of the photoresistor (RP) is low, allowing a volta

-24-Project #357OBJECTIVE: Build an adjustable light-controlled relay.You can set the amount of light it takes to keep the bulb (L2) on byadjusting th

Project #360OBJECTIVE: To measure the current through a transformer.Set the meter (M2) to the LOW (or 10mA) setting. By placing themeter, diode (D3) a

-26-Project #361OBJECTIVE:To use a transformer for a louder buzzer.Turn on the switch (S1). The speaker (SP) generates a buzzer sound.As in project #3

-27-Project #363OBJECTIVE: To configure the sevensegment to display the capital letter “F”.Connect A, E, F, & G to the negative ofthe battery.Disp

-28-Project #371OBJECTIVE: To configure the seven segment to display the letter “b”.Connect C, D, E, F, & G to the negative of the battery.Display

-2-Qty. ID Name Symbol Part # Qty. ID Name Symbol Part #3 2-Snap Wire 6SC02 1 Analog Meter 6SCM21 5-Snap Wire 6SC05 1 SCR 6SCQ31Diode 1N40016SCD3 1 Re

-29-Project #377OBJECTIVE: To build an alarm circuit.The circuit uses the space war IC (U3) and works the same way asproject #320. Remove the jumper w

-30-Project #381OBJECTIVE: To construct a time delay circuit.Turn on the slide slide switch (S1) and the bulb (L2) does not light.Press switch (S2) an

-31-Project #384OBJECTIVE: To build a circuit that lights an LED to indicatethe recording mode.Recording LEDIndicatorProject #385OBJECTIVE: To add a v

-32-Project #386OBJECTIVE: To light a bulb to indicate an open circuit.Alarm LightProject #387 Alarm Light (II)This is another example of a alarm that

-33-Project #388OBJECTIVE: To build a night-sensitive police car sound.As the photoresistor (RP) is exposed to light, its resistance is very low,there

-34-Project #392OBJECTIVE: To build a light-sensitive police car sound.As long as the photoresistor (RP) is exposed to light, the alarm IC (U2)outputs

-35-Project #396 Flashing 8OBJECTIVE: Use the Alarm IC as a switch to flash the number “8”.Turn on the slide switch (S1) and the number 8 starts flash

-36-Project #399OBJECTIVE: To make different tones with an oscillator.Build the circuit and turn on the slide switch (S1), you hear a high-frequency t

-37-Project #404OBJECTIVE: Build an oscillator circuit.Turn on the slide switch (S1) and the LED (D1) lights as the speaker(SP) emits a tone. The circ

-38-Project #409OBJECTIVE: To build a circuit that checks the transistor.Set the meter (M2) to the LOW (or 10mA) setting. Turn on the switch(S1), the

-3-(Part designs are subject to change without notice).The FM module (FM) contains an integrated FM radio circuit.Refer to the figure below for the pi

-39-OBJECTIVE: To construct a flashing display for the capital letter C.Connect segments A, D, E & F to the circuit. Turn on the switch (S1), the

-40-OBJECTIVE: Show variations of project #419.Connect the whistle chip (WC) across points B & C.Whistle Chip Sounds (II)Project #420OBJECTIVE: Sh

-41-Project #425OBJECTIVE: To light the LED’s using the recording IC.The recording IC (U6) lights the LED’s (D1 & D2) instead of driving thespeake

-42-Project #428OBJECTIVE: To record the sound from the alarm IC.The circuit records the sound from the alarm IC (U2) into the recordingIC (U6). Turn

-43-The length of time the motor (M1) runs depends on the position of theadjustable resistor (RV). When the press switch (S2) is pressed, the470mF cap

-44-Project #433OBJECTIVE: To build a manual timer using a relay and whistlechip.This circuit is similar to project #431 except now the whistle chip (

-45-Project #441 Project #442OBJECTIVE: Use the Alarm IC as a switch to flash the numbers “1 & 2”.Connect segments B & C to the circuit. Turn

-46-Project #445Alarm Timer (II)OBJECTIVE: To change the time by switching the resistor andcapacitor.Project #446Alarm Timer (III)Build this circuitus

-47-OBJECTIVE: To create bird sounds.Turn on the switch (S1). The circuit makes a bird sound.Bird SoundsProject #447OBJECTIVE: To create bird sounds.U

-48-Project #453OBJECTIVE: Build a circuit that records the sound of the motorspinning.Placing the motor (M1) (with the fan attached) next to the micr

Elenco®Electronics is not responsible for parts damaged due to incorrect wiring.If you suspect you have damaged parts, you can follow this procedure t

-49-Project #455OBJECTIVE: Use the whistle chip and relay to make sound.Turn on the slide switch (S1) and the relay (S3) opens and closescontinuously.

-50-OBJECTIVE: To create the sound of a cat.Set the adjustable resistor (RV) to the far left. Press and release the switch (S2). Youshould hear the so

-51-OBJECTIVE: Construct a light-controlled display.Connect segments B & C to the circuit. Turn on the switch (S1),the display should be off. Plac

-52-Project #469OBJECTIVE: Light the number 3 using alight-controlled display.Use the circuit from project #467. Connect A, B, G,C, & D to the cir

-53-OBJECTIVE: To change the tone using the adjustable resistor.Set the adjustable resistor (RV) to the bottom position. Turn on the slide switch (S1)

-54-Project #485OBJECTIVE: To make a fixed-current path.Set the meter (M2) to the LOW (or 10mA) setting.The meter indicatesthe amount of current in th

-55-Project #487OBJECTIVE: To measure the voltage drop across diodes.Set the meter (M2) to the LOW (or 10mA) setting.Turn on the slideswitch (S1) and

-56-Project #489Set the meter (M2) to the LOW (or 10mA) setting. Instead of driving aspeaker (SP) with the music IC (U1), you can see it by using the

-57-Project #493OBJECTIVE: To make a simple voltage divider.Set the meter (M2) to the LOW (or 10mA) scale.This circuit is a simplevoltage divider with

-58-OBJECTIVE: To construct a light-controlled display for lower caseletters.Connect C, D, E, F & G to the circuit. Turn on the switch (S1) and th

-5-MORE DO’s and DON’Ts of Building CircuitsAfter building the circuits given in this booklet, you may wish to experiment on yourown. Use the projects

-59-Project #501OBJECTIVE: Display numbers 1 or 4 using the slide switch.Connect segments B, C, F, & G as shown in the diagram. Turn theslide swit

Project #506OBJECTIVE: View charging and discharging a capacitor.Using the meter (M2), we can monitor the charging and discharging of acapacitor. Firs

Project #508OBJECTIVE: Use the meter with the alarm IC.Set the meter (M2) to the LOW (or 10mA) setting. Connect 3-snapwires to terminals E & F, an

-62-OTHER SNAP CIRCUITS PRODUCTS!For a listing of local toy retailers who carry our products, visit our website: www.elenco.com or callus toll-free at

Elenco®Electronics, Inc.150 Carpenter AvenueWheeling, IL 60090(847) 541-3800Website: www.elenco.come-mail: [email protected]

Project # Description Page #306 AM Radio 8307 Adjustable Volume FM Radio 8308 Playback & Record 9309 Playing Music 9310 Light-Controlled Music 931

-7-Project # Description Page #408 Oscillator Sound (V) 37409 Transistor Tester 38410 Adjustable Voltage Divider 38411Automatic Display Capital Letter

-8-Project #306OBJECTIVE: To build a one-IC AM radio.Turn on the slide switch (S1) and adjust the variable capacitor (CV) for aradio station.AM RadioP