INSTRUCTIONS ASSEMBLY. CONNECT the RESISTOR. The resistor (re-zis-ter) is the tube-shaped piece with two purple legs. Here we go!

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Austen Warner
5 years ago
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BEFORE YOU BEGIN ASSEMBLING YOUR VOICE CHANGER You will need One 9-volt battery Masking tape or clear tape Adult help (if you re under 10) Now remove the parts from the plastic tray.

The components in the Voice Changer only need a little bit of electricity. Without a resistor, some of the components would receive too much electricity, and they d be ruined.

1 BEFORE YOU BEGIN ASSEMBLING YOUR VOICE CHANGER You will need One 9-volt battery Masking tape or clear tape Adult help (if you re under 10) Now remove the parts from the plastic tray. 1 CONNECT the RESISTOR The resistor (re-zis-ter) is the tube-shaped piece with two purple legs. The resistor reduces the flow of electricity to the other electronic parts. The components in the Voice Changer only need a little bit of electricity. Without a resistor, some of the components would receive too much electricity, and they d be ruined. Most resistors have a material called carbon inside them. Electricity can t flow easily through carbon. Think of it like this: Here we go! High Flow of Water Narrow Pipe Low Flow of Water 18 Resisitors limit the amount of electricity that flows through parts of a circuit, like a narrow pipe limits water flow.

2 Wrap a piece of tape around the top of the resistor. The tape should cover the tube and all of the bare metal. HOW TO CONNECT TWO WIRES Gently straighten and separate the wires on the green circuit board. (Do not wiggle the wires too much or they will break.) To connect the wires, simply twist their metal ends together. Make sure you twist both wires around each other. To test your connections, gently pull on the wires. They should not come apart. Take a piece of tape and wrap it around the bare metal. The tape is the insulator. It will keep the bare metal from touching other bare metal. Connect one of the resistor s purple wires to one of the circuit board s purple wires. (It doesn t matter which one.) To do this, twist the copper wires together. (See the box to the right, How to Connect Two Wires. ) The circuit board is the flat, green rectangle screwed into the top case. It has colored wires attached to it. Connect the other two purple wires. Cover each of the connections (the bare wires) with tape. 19

3 ASSEMBLY 2 CONNECT the TRANSISTOR The transistor (tran-zis-ter) is the little black cylinder with a blue, an orange, and a green wire. The transistor controls how much electricity passes through your Voice Changer. Electricity flows in one wire (the collector), and out another (the emitter). The middle wire (the base) controls how much electricity flows through. Think of it like this: Transistors control how much electricity flows through a circuit. Spread the transistor s three wires. The silver metal at the top of the wires should not touch. Wrap a piece of tape around the top. The tape should cover the cylinder and all of the bare metal. Connect the transistor s blue wire to the circuit board s blue wire. Connect the orange wires. Connect the green wires. Be sure you ve connected blue to blue, orange to orange, and green to green. If you connect the wrong wires, your Voice Changer won t work. Cover each of the connections (the bare wires) with tape. 20

The silver metal at the top of the wires should not touch. Wrap a piece of tape around the top. The tape should cover the cylinder and all of the bare metal.

4 We re halfway done! 3 CONNECT the CAPACITOR The capacitor (ca-pa-se-ter) is a black cylinder with brown and white wires. Your Voice Changer produces an electric signal that s always changing. The capacitor helps to make the current steady as it flows. Think of it like this: Spread the capacitor s two wires. The silver metal at the top of the wires should not touch. Wrap a piece of tape around the top. The tape should cover the cylinder and all of the bare metal. Capacitors store up electricity and release it a little at a time. Connect the capacitor s brown wire to the circuit board s brown wire. Connect the white wires. Be sure you ve connected brown to brown and white to white. Cover each of the connections (the bare wires) with tape. 21

4 CONNECT the SPEAKER The speaker is the disk-shaped piece with two yellow wires.

Inside the speaker is a special magnet called an electromagnet.

vibrate. When the electromagnet vibrates, it makes the speaker s cardboard cone move.

Speaker Connect one of the speaker s yellow wires to one of the circuit board s yellow

5 4 CONNECT the SPEAKER The speaker is the disk-shaped piece with two yellow wires. The speaker changes electrical signals into sounds. Inside the speaker is a special magnet called an electromagnet. When electricity flows through the wire to the electromagnet, it makes the electromagnet vibrate. When the electromagnet vibrates, it makes the speaker s cardboard cone move. That movement makes sound. Speaker Connect one of the speaker s yellow wires to one of the circuit board s yellow wires. (It doesn t matter which one.) Electricity flowing here... Connect the other two yellow wires. Permanent magnet Sound waves 22 Cover each of the connections (the bare wires) with tape. Electromagnet...makes the speaker cone move here.

6 5 TESTING your VOICE CHANGER Put the yellow grill into the outside groove in the top case. (The top case is the one with the yellow buttons.) The little hole in the bottom of the grill will fit into a notch in the case. Put the speaker into the inside groove in the top case. Make sure the yellow wires stick up. The small end of the speaker should point toward the circuit board. Top case Attach the battery cap to your 9-volt battery. Speaker Press the yellow button on the top of the case. Speak into the microphone to be sure your Voice Changer works. If it doesn t, make sure: 1) you ve connected the wires together correctly, 2) all the bare metal is covered with tape, and 3) your battery is new. Take care of the problem before you go on. Almost done! Can you feel it? Grill Hole Notch BATTERY CAUTIONS To ensure proper safety and operation, the battery replacement must always be done by an adult. Never let a child use this product unless the battery door is secure. Keep all batteries away from small children, and immediately dispose of any batteries safely. Batteries are small objects and could be ingested. Nonrechargeable batteries are not to be recharged. Rechargeable batteries are to be removed from the toy before being charged. Rechargeable batteries are only to be charged under adult supervision. Different types of batteries or new and used batteries are not to be mixed. Only batteries of the same or equivalent types as recommended are to be used. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries. Batteries are to be inserted with the correct polarity. Exhausted batteries are to be removed from the toy. The supply terminals are not to be short-circuited. 23

24 6 PUT it TOGETHER You ve twisted and taped wires, you ve learned about electronic components, you ve tested your

Slide the battery into the rectangular box in the bottom case. The battery cap should point toward the speaker.

Line up the speaker and the grill grooves in the top and bottom cases. Carefully snap the cases together.

CHANGING your VOICE There is a yellow sliding switch on the top of your Voice Changer.

7 24 6 PUT it TOGETHER You ve twisted and taped wires, you ve learned about electronic components, you ve tested your connections and batteries. Now it s time to put the finishing touches on your Voice Changer. Slide the battery into the rectangular box in the bottom case. The battery cap should point toward the speaker. If necessary, put a piece of tape over the battery to keep it in place. Gently tuck the wires inside the case. Line up the speaker and the grill grooves in the top and bottom cases. Carefully snap the cases together. Press and hold the yellow button and speak into the microphone. CHANGING your VOICE There is a yellow sliding switch on the top of your Voice Changer. Slide the switch to one of four positions: Position 1: Squeaky Voice Position 2: Robotic Voice Position 3: Scary Voice Position 4: Booming Voice Putting the cases together Bottom case Top case Battery cap Yes! Now get out there and change your voice!

SMART LAB PUTTING TOGETHER THE

SMART LAB PUTTING TOGETHER THE PUTTING TOGETHER THE SMART LAB INSTALLING THE SPRINGS The cardboard workbench with all the holes punched in it will form the base to the many cool circuits that you will build. The first step in transforming