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Related Manuals for Elenco Electronics Electronic Snap Circuits Pro SC-500
Summary of Contents for Elenco Electronics Electronic Snap Circuits Pro SC-500
- Page 1 Project 317 Copyright © 2012, 2010 by Elenco ® Electronics, Inc. All rights reserved. No part of this book shall be reproduced by REV-D Revised 2012 753104 any means; electronic, photocopying, or otherwise without written permission from the publisher.
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Page 2: Hand-Control Display 1
Table of Contents WARNING: SHOCK HAZARD WARNING: CHOKING HAZARD Never connect Snap Circuits ® Small parts. Basic Troubleshooting the electrical outlets in your home Not for children under 3 years. Parts List in any way! MORE About Your Snap Circuits ®... - Page 3 Parts List (Colors and styles may vary) Symbols and Numbers Note: There are additional part lists in your other project manuals. Part designs are subject to change without notice. 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@elenco.com.
- Page 4 MORE About Your New Snap Circuits ® Parts (Note: There is additional information in your other project manuals). Our Student Guides give much more information about your parts, along with a complete lesson in basic electronics. See www.snapcircuits.net/learn.htm or page 62 for more information. (Part designs are subject to change without notice).
- Page 5 MORE About Your Snap MORE Advanced Troubleshooting (Adult supervision recommended) Circuits ® Parts (continued) Elenco ® is not responsible for parts damaged due to incorrect wiring. SCR (Q3) - An SCR is a three-pin (anode, cathode If you suspect you have damaged parts, you can follow this procedure to systematically and gate) silicon-controlled rectifier diode.
- Page 6 MORE DO’s and DON’Ts of Building Circuits After building the circuits given in this booklet, you may wish to experiment on your own. Use Examples of SHORT CIRCUITS - NEVER DO THESE!!! the projects in this booklet as a guide, as many important design concepts are introduced throughout them.
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Page 7: Table Of Contents
Project Listings Project # Description Page # Project # Description Page # Project # Description Page # AM Radio Music Meter Display Letter “e” Adjustable Volume FM Radio LED & Relay Display Letter “h” Playback & Record Manual 7 Second Timer Recorded Voice Transmitter Playing Music Half Wave Rectifier Circuit... - Page 8 Project Listings Project # Description Page # Project # Description Page # Project # Description Page # Oscillator Sound (V) Flashing “A & J” Variable Oscillator (II) Transistor Tester Alarm Timer Variable Oscillator (III) Adjustable Voltage Divider Alarm Timer (II) Variable Oscillator (IV) Automatic Display Capital Letter “C”...
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Page 9: Am Radio
Project #306 AM Radio OBJECTIVE: To build a one-IC AM radio. Turn on the slide switch (S1) and adjust the variable capacitor (CV) for a radio station. Make sure you set the variable resistor (RV) control to the left for louder sound. Project #307 Adjustable Volume FM Radio... -
Page 10: Playback & Record
Project #308 Playback & Record OBJECTIVE: To demonstrate the capabilities of the recording integrated circuit. Build the circuit shown. Turn on the slide switch (S1), you hear a beep signaling that you may begin recording. Talk into the microphone (X1) up to 5 seconds, and then turn off the slide switch (it also beeps after the 5 seconds expires). -
Page 11: Power Playback & Record
Project #312 Power Playback & Record OBJECTIVE: To build a circuit that amplifies the recording IC. Connecting the power amplifier IC (U4) to the output of the recording IC (U6), you can make much louder music than project #308. Turn on the switch (S1), you hear a beep signaling that you may begin recording. -
Page 12: Fm Radio
Project #316 FM Radio OBJECTIVE: To build a working FM radio. The FM module (FM) contains a scan (T) and a reset (R) button. The R button resets the frequency to 88MHz. This is the beginning of the FM range. Press the T button, the module scans for the next available radio station. -
Page 13: Scr 2.5V Bulb
Project #318 SCR 2.5V Bulb OBJECTIVE: To learn the principle of an SCR. This circuit demonstrates the principle of the SCR (Q3). The SCR can be thought of as an electronic switch with three leads: anode, cathode, and gate. Like a standard diode, it permits current flow in only one direction. -
Page 14: Music Alarm
Project #320 Music Alarm OBJECTIVE: To build a music alarm. The alarm circuit activates when you remove the jumper wire from points A & B. The jumper wire shorts the SCR’s (Q3) gate to ground and the SCR does not conduct. Removing the jumper wire places a voltage on the gate and the SCR conducts. -
Page 15: 3Ma Meter
Project #323 3mA Meter OBJECTIVE: To build a 3mA meter circuit. Set the meter (M2) to the LOW (or 10mA) scale. Inside the meter, there is a fixed magnet and a moveable coil around it. As current flows through the coil, it creates a magnetic field. The interaction of the two magnetic fields cause the coil (connected to the pointer) to move (deflect). -
Page 16: Function Of Adjustable Resistor
Project #325 Function of Adjustable Resistor OBJECTIVE: To understand the function of the adjustable resistor. An adjustable resistor is a normal resistor with an additional arm contact. The arm moves along the resistive material and taps off the desired resistance. The slider on the adjustable resistor moves the arm contact and sets the resistance between the bottom (point C1) pin and the center pin (point B2). -
Page 17: Meter Deflect By Motor
Project #327 Meter Deflect by Motor OBJECTIVE: To change the direction of current flow using a motor. Set the meter (M2) to the LOW (or 10mA) setting. A motor generates a current when it rotates. The rotation of the motor determines the direction current flows. -
Page 18: Principle Of Segment Led
Project #329 Principle of Segment LED OBJECTIVE: To demonstrate how a seven segment LED works. The display (D7) is made up of seven segments. Each segment contains an LED connected to an input snap. When the snap is connected to the negative of the battery the segment lights. For example, connect the circuit as shown and the letter “L”... -
Page 19: Display #5
Project #334 Project #335 Project #336 Display #5 Display #6 Display #7 OBJECTIVE: To configure the seven OBJECTIVE: To configure the seven OBJECTIVE: To configure the seven segment to display the number 5. segment to display the number 6. segment to display the number 7. Connect A, F, G, C, &... -
Page 20: Led & Relay
Project #341 LED & Relay OBJECTIVE: Turn on and off LED’s using a relay. A relay is an electronic switch with contacts that are opened or closed using voltage. It contains a coil that generates a magnetic field when a current flows through it. The magnetic field attracts an iron armature which switches the contacts. -
Page 21: Half Wave Rectifier Circuit
Project #343 Half Wave Rectifier Circuit OBJECTIVE: To build a half wave rectifier circuit. A rectifier changes an AC voltage into a DC voltage. A diode (D1) is used because it allows current to flow in only one direction, for one polarity of applied voltage. -
Page 22: Telegraph 21
Project #347 Telegraph OBJECTIVE: Making telegraph sounds. Press the press switch (S2) down. The circuit oscillates and the AC voltage generated from the transformer (T1) drives the speaker (SP). To make a telegraph sound, depress the switch for long and short periods. -
Page 23: Bulb & Relay
Project #352 Bulb & Relay OBJECTIVE: Light a bulb using a relay. Turn off the slide switch (S1). If you press switch (S2), the lamp (L2) will not light. Turn on the slide switch and press the press switch again; the lamp lights and stays on until the slide switch is turned off. -
Page 24: Transistor Timer
Project #354 Transistor Timer OBJECTIVE: To build a manual timer using a transistor in place of the relay. This circuit is similar to project #342 except now two transistors are used. Turn on the slide switch (S1) and hold down the press switch (S2). -
Page 25: Adjustable Light Control
Project #357 Adjustable Light Control OBJECTIVE: Build an adjustable light-controlled relay. You can set the amount of light it takes to keep the bulb (L2) on by adjusting the adjustable resistor (RV). Set the adjustable resistor to the top position and turn on the switch. The bulb lights. Cover the photoresistor (RP) and the bulb turns off. -
Page 26: Ac To Dc Current
Project #359 AC to DC Current OBJECTIVE: To convert an AC current to DC using an LED. Set the meter (M2) to the LOW (or 10mA) scale. Pressing and releasing the press switch (S2) continuously generates an AC (changing) current. The LED (D1) is used to convert the AC (changing) current to DC (unchanging) current because it only allows the current to flow in one direction. -
Page 27: Buzzer, Relay, & Transformer
Project #361 Buzzer, Relay, & Transformer OBJECTIVE: To use a transformer for a louder buzzer. Turn on the switch (S1). The speaker (SP) generates a buzzer sound. As in project #353, the relay (S3) is rapidly switched on and off. This causes an AC voltage on the left side of the transformer (T1). -
Page 28: Display Capital Letter "F
Project #363 Project #364 Display Capital Display Capital Letter “F” Letter “H” OBJECTIVE: To configure the seven OBJECTIVE: To configure the seven segment to display the capital letter “F”. segment to display the capital letter “H”. Connect A, E, F, & G to the negative of Connect B, C, E, F, &... -
Page 29: Display Letter "B
Project Project Project Project Project #371 #372 #373 #374 #375 Display Display Display Display Display Letter “b” Letter “c” Letter “d” Letter “e” Letter “h” OBJECTIVE: To configure OBJECTIVE: OBJECTIVE: OBJECTIVE: OBJECTIVE: To configure the seven segment to display To configure the seven To configure the seven To configure the seven the seven segment to display... -
Page 30: Space War Alarm By Scr
Project #377 Space War Alarm by SCR OBJECTIVE: To build an alarm circuit. The circuit uses the space war IC (U3) and works the same way as project #320. Remove the jumper wire and a space war sound plays. Project #378 Light Space War Alarm OBJECTIVE: To build an alarm circuit. -
Page 31: Delay Light
Project #381 Delay Light OBJECTIVE: To construct a time delay circuit. Turn on the slide switch (S1) and the bulb (L2) does not light. Press switch (S2) and slowly the bulb lights. When the press switch is pressed, current flows to the base of the transistor (Q2) and charges the 100μF capacitor (C4). -
Page 32: Recording Led Indicator
Project #384 Recording LED Indicator OBJECTIVE: To build a circuit that lights an LED to indicate the recording mode. The circuit uses sound (beep) and light (LED) to indicate that you are recording. Build the circuit; the red (D1) and green (D2) LED’s should light. -
Page 33: Alarm Light
Project #386 Alarm Light OBJECTIVE: To light a bulb to indicate an open circuit. This is another example of a alarm that activates when the circuit is broken. Connect the jumper wire across points A & B and then turn on the slide switch (S1). -
Page 34: Night Police Car
Project #388 Night Police Car OBJECTIVE: To build a night-sensitive police car sound. As the photoresistor (RP) is exposed to light, its resistance is very low, thereby connecting the gate of the SCR (Q3) to ground. This prevents the SCR from conducting, connecting the alarm IC (U2) to the batteries. -
Page 35: Daytime Light Police Car
Project #392 Daytime Light Police Car OBJECTIVE: To build a light-sensitive police car sound. As long as the photoresistor (RP) is exposed to light, the alarm IC (U2) outputs a signal to the speaker (SP). Block the light with your hand and the sound will stop. -
Page 36: Flashing 8
Project #396 Flashing 8 OBJECTIVE: Use the Alarm IC as a switch to flash the number “8”. Turn on the slide switch (S1) and the number 8 starts flashing. The segments are powered by connecting them to the IC’s (U2) output. Project #397 Flashing 8 with Sound OBJECTIVE: To build a circuit so you can hear and see the 8 flash. -
Page 37: Electronic Noisemaker
Project #399 Electronic Noisemaker OBJECTIVE: To make different tones with an oscillator. Build the circuit and turn on the slide switch (S1), you hear a high- frequency tone. Press the press switch (S2) and move the adjustable resistor (RV) control around to change to frequency of the tone. Replace the 0.1μF capacitor (C2) with the 10μF capacitor (C3, “+”... -
Page 38: Oscillator Sound
Project #404 Oscillator Sound OBJECTIVE: Build an oscillator circuit. Turn on the slide switch (S1) and the LED (D1) lights as the speaker (SP) emits a tone. The circuit oscillates and generates an AC voltage across the speaker through the transformer (T1). Project #405 Oscillator Sound (II) OBJECTIVE: Show variations of project #404. -
Page 39: Transistor Tester
Project #409 Transistor Tester OBJECTIVE: To build a circuit that checks the transistor. Set the meter (M2) to the LOW (or 10mA) setting. Turn on the switch (S1), the meter does not move. Press the switch (S2), the meter deflects and points to 10. This indicates the transistor (Q2) is GOOD. The meter would only deflect a little or not at all for a BAD transistor. -
Page 40: Automatic Display Capital Letter "C
Project #411 Automatic Display Capital Letter “C” 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 display flashes and the whistle chip (WC) buzzes on and off. Project #412 Automatic Display Capital Letter “E”... -
Page 41: Whistle Chip Sounds
Project #419 Whistle Chip Sounds OBJECTIVE: To make sounds from the whistle chip. Turn on the switch (S1). As the circuit oscillates, the plate in the whistle chip vibrates and generates sound. Project #420 Whistle Chip Sounds (II) OBJECTIVE: Show variations of project #419. Connect the whistle chip (WC) across points B &... -
Page 42: Led Music
Project #425 LED Music OBJECTIVE: To light the LED’s using the recording IC. The recording IC (U6) lights the LED’s (D1 & D2) instead of driving the speaker (SP). Press the press switch (S2) once. The LED’s light and then turn off after a while. Press the press switch again and see how long the second song plays. -
Page 43: Alarm Recorder
Project #428 Alarm Recorder OBJECTIVE: To record the sound from the alarm IC. The circuit records the sound from the alarm IC (U2) into the recording IC (U6). Turn on the switch (S1). The first beep indicates that the IC has begun recording. -
Page 44: Time Delay 1-7 Seconds
Project #431 Time Delay 1-7 Seconds OBJECTIVE: To build a time delay circuit. The length of time the motor (M1) runs depends on the position of the adjustable resistor (RV). When the press switch (S2) is pressed, the 470μF capacitor (C5) charges. As the press switch is released, C5 discharges through the resistors R4 and RV, turning the transistor (Q2) on. -
Page 45: Manual 7 Second Timer (Ii)
Project #433 Manual 7 Second Timer (II) OBJECTIVE: To build a manual timer using a relay and whistle chip. This circuit is similar to project #431 except now the whistle chip (WC) will also make sound. Project #434 15 Second Alarm OBJECTIVE: To build a circuit that sounds the speaker for 15 seconds. -
Page 46: Flashing "1 & 2
Project #435 Flashing “1 & 2” OBJECTIVE: Use the Alarm IC as a switch to flash the numbers “1 & 2”. Connect segments B & C to the circuit. Turn on the slide switch (S1) and the number “1” should be flashing. Now, connect A, B, G, E, & D to flash the number “2”. Project #436 Project #437 Flashing “3 &... -
Page 47: 445 Alarm Timer (Ii)
Project #444 Alarm Timer OBJECTIVE: To connect the alarm IC to a timer circuit. Turn on the slide switch (S1) and the alarm may sound and slowly drift away as the lamp (L2) brightens. Press the press switch (S2) and the alarm sounds at full volume as the LED (D1) lights. -
Page 48: Bird Sounds
Project #447 Bird Sounds OBJECTIVE: To create bird sounds. Turn on the switch (S1). The circuit makes a bird sound. Project #448 Bird Sounds (II) OBJECTIVE: To create bird sounds. Use the circuit in project #447. Replace the 100μF (C4) capacitor with the 10μF capacitor (C3), the tone should sound like a buzzer. - Page 49 Project #453 Motor Sound Recording OBJECTIVE: Build a circuit that records the sound of the motor spinning. Placing the motor (M1) (with the fan attached) next to the microphone (X1) enables you to record the sound as it spins. Turn off and then turn on the switch (S1).
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Page 50: 456 Relay & Speaker
Project #455 Relay & Buzzer OBJECTIVE: Use the whistle chip and relay to make sound. Turn on the slide switch (S1) and the relay (S3) opens and closes continuously. This creates an AC voltage across the whistle chip (WC), causing it to vibrate and sound. Project #456 Relay &... -
Page 51: Buzzer Cat
Project #458 Electronic Cat OBJECTIVE: To create the sound of a cat. Set the adjustable resistor (RV) to the far left. Press and release the switch (S2). You should hear the sound of a cat from the speaker (SP). Now adjust the resistor and hear the different sounds. -
Page 52: Meter Deflection (Ii)
Project #466 Meter Deflection (II) OBJECTIVE: To build change the direction in which current flows. Compare this circuit to project #358, which has the LED (D1 & D2) positions reversed. This changes the direction that current can flow. Set the meter (M2) to the LOW (or 10mA) scale. Press the press switch (S2) and now the meter deflects to the left. - Page 53 Project #469 Project #470 Project #471 Automatic Automatic Automatic Display #3 Display #4 Display #5 OBJECTIVE: Light the number 3 using a OBJECTIVE: Light the number 4 using a OBJECTIVE: Light the number 5 using a light-controlled display. light-controlled display. light-controlled display.
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Page 54: Variable Oscillator (Ii)
Project #477 Variable Oscillator OBJECTIVE: To change the tone using the adjustable resistor. Set the adjustable resistor (RV) to the bottom position. Turn on the slide switch (S1) and you should hear sound from the speaker (SP). Adjust the resistor to hear the different sounds. Project #478 Variable Oscillator (II) OBJECTIVE: To change the tone using the adjustable resistor. -
Page 55: Fixed-Current Path
Project #485 Fixed-Current Path OBJECTIVE: To make a fixed-current path. Set the meter (M2) to the LOW (or 10mA) setting. The meter indicates the amount of current in the circuit. Turn on the switch (S1), the needle deflects indicating the amount of current. The 10kΩ resistor limits the current, otherwise the meter could be damaged. -
Page 56: Led Voltage Drop
Project #487 LED Voltage Drop OBJECTIVE: To measure the voltage drop across diodes. Set the meter (M2) to the LOW (or 10mA) setting. Turn on the slide switch (S1) and the LED (D1) lights as the meter deflects to the middle of the scale. -
Page 57: Hand-Control Meter
Project #489 Hand-control Meter OBJECTIVE: To understand music deflection. Set the meter (M2) to the LOW (or 10mA) setting. Instead of driving a speaker (SP) with the music IC (U1), you can see it by using the meter. Turn on the slide switch (S1) and the meter deflects according to the rhythm of music. -
Page 58: Fixed-Voltage Divider
Project #493 Fixed-Voltage Divider OBJECTIVE: To make a simple voltage divider. Set the meter (M2) to the LOW (or 10mA) scale. This circuit is a simple voltage divider with parallel load resistors. The voltage across resistors R3 & R4 is the same. The current through both paths are different, due to the resistor values. -
Page 59: Automatic Display Letter "B
Project #495 Automatic Display Letter “b” OBJECTIVE: To construct a light-controlled display for lower case letters. Connect C, D, E, F & G to the circuit. Turn on the slide switch (S1) and the display should be off. Place your hand over the photoresistor (RP), now the letter “b”... - Page 60 Project #501 Hand-Control Display 1 & 4 OBJECTIVE: Display numbers 1 or 4 using the slide switch. Connect segments B, C, F, & G as shown in the diagram. Turn the slide switch (S1) off and on, the display changes from numbers 1 to 4. Project #502 Hand-Control Display 1 &...
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Page 61: Monitor Capacitor Charging & Discharging
Project #506 Monitor Capacitor Charging & Discharging OBJECTIVE: View charging and discharging a capacitor. Using the meter (M2), we can monitor the charging and discharging of a capacitor. First turn off the switch (S1). Charging: Connect the meter (M2) to points A & B (positive pole downward). -
Page 62: Rhythm Swinging Meter
Project #508 Rhythm Swinging Meter OBJECTIVE: Use the meter with the alarm IC. Set the meter (M2) to the LOW (or 10mA) setting. Connect 3-snap wires to terminals E & F, and C & D. Turn on the slide switch (S1) and the meter swings rhythmically. - Page 63 OTHER SNAP CIRCUITS ® PRODUCTS! For a listing of local toy retailers who carry Snap Circuits ® , please visit www.elenco.com or call us toll-free at (800) 533-2441. For Snap Circuits ® upgrade kits, accessories, additional parts, and more information about your parts, please visit www.snapcircuits.net. Put your circuits Upgrade Kit Snap Circuits...
- Page 64 ELENCO ® 150 Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 Website: www.elenco.com e-mail: elenco@elenco.com...