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If you have any problems, contact Elenco

(800) 533-2441 Fax: (847) 520-0085 ● e-mail: [email protected] ● Website: www.elenco.com or www.snapcircuits.net

ARNING: SHOCK HAZARD -

Never connect Snap Circuits

to the electrical outlets in your

ome in any way!

WARNING: Always check your wiring before

urning on a circuit. Never leave a circuit

unattended while the batteries are installed.

ever connect additional batteries or any other

power sources to your circuits.

Motion Detector

Model SCP-13

753162

Snap Circuits

uses electronic blocks that snap onto a base grid to build different

circuits. These blocks have different colors and numbers on them so that you can

easily identify them. Build the circuit shown by placing all the parts with a black 1

next to them on the clear base grid first. Then, assemble parts marked with a 2.

Then, assemble the part marked with a 3. Install three (3) “AA” batteries (not

included) into the battery holder (B3). Place the base grid into the blue stand (with

either the battery holder or the NPN transistor (Q2) closest to the stand) and

carefully stand it up. Position it near the edge of a table, facing across a room.

Turn on the slide switch (S1). The color LED (D8) lights and the horn (W1) sounds

for a few seconds on start-up, and then whenever the circuit detects motion in the

room.

This circuit will work in the dark, but be careful not to hurt yourself moving around

a room in the dark.

Project 1 Motion Detector

Placement

Level Numbers

Project 2 Silent or Noisy Motion Detector

Use the circuit from project 1,

but remove the horn (W1). The

circuit works the same, except

no longer makes any noise. If

desired, try placing the egg on

the color LED (D8), but it may

not fit tightly enough to stay on

when the circuit is placed in the

blue stand.

Next, replace the color LED

(D8) with the horn. Now the

circuit makes noise but not light.

Egg

(place on

color LED)

Project 3 Low Power Motion Detector

Place the base grid into the blue

stand (with either the battery

holder or the 2-snap wire

closest to the stand) and

carefully stand it up. Position it

near the edge of a table, facing

across a room.

Turn on the slide switch (S1).

The color LED (D8) lights for a

few seconds on start-up, and

then whenever the circuit

detects motion in the room.

This circuit is

pictured on the

front of the box,

use that picture to

help in building it.

Objects that generate heat, including people and

animals, also produce infrared radiation. Infrared

radiation cannot be seen wth our eyes, but can be

detected.

The motion detector (U7) is designed to detect

changes in infrared radiation, especially the type

emitted by people. The NPN transistor (Q2) acts as

an amplifier, helping the motion detector turn on the

color LED and horn.

The color LED will not be as bright

as it was in projects 1 & 2,

because this circuit does not have

the NPN transistor (Q2) as an

amplifier. This circuit uses less

electricity than projects 1 & 2, so

your batteries will last longer.

SCP-13_022014.qxp_SCP-13 Instructions 3/7/14 10:46 AM Page 1

1 2 3 4

Sommario

Pagina 1 - Motion Detector

Pagina 2 - Placement Level Numbers

Turn on the switch (S1) to see light andhear a buzzing sound. The buzzing issynchonized with the changing light. Project 7 Low Light & So

Pagina 3

Project 9Motion & Tilt SensorTurn on the slide switch (S1). There will be light if the circuit is moved or tilted in somedirections. In some cases

Pagina 4 - PRODUCTS! PARTS LIST

Important: If any parts are missing ordamaged, DO NOT RETURN TORETAILER. Call toll-free (800) 533-2441 ore-mail us at: [email protected]

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