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3
Snap Circuits
®
uses building blocks with snaps
to build the different electrical and electronic
circuits in the projects. Each block has a
function: there are switch blocks, light blocks,
battery blocks, different length wire blocks,
etc. These blocks are different colors and
have numbers on them so that you can easily
identify them. The blocks you will be using are
shown as color symbols with level numbers
next to them, allowing you to easily snap them
together to form a circuit.
For Example:
This is the slide switch, it is green and has
the marking on it. The part symbols in this
booklet may not exactly match the appearance
of the actual parts, but will clearly identify them.
This is a wire block which is blue and comes in
different wire lengths.
This one has the number , , ,
or on it depending on the length of the wire
connection required.
There is also a 1-snap wire that is used as a
spacer or for interconnection between different
layers.
You need a power source to build each circuit.
This is labeled and requires three (3) 1.5V
“AA” batteries (not included).
When installing a battery, be sure the spring
is compressed straight back, and not bent up,
down, or to one side.
A large clear plastic base grid is included with
this kit to help keep the circuit blocks properly
spaced. You will see evenly spaced posts that
the different blocks snap into. The base has
rows labeled A-G and columns labeled 1-10.
Next to each part in every circuit drawing is
a small number in black. This tells you which
level the component is placed at. Place all
parts on level 1 rst, then all of the parts on
level 2, then all of the parts on level 3, etc.
Some circuits use the jumper wires to make
unusual connections. Just clip them to the
metal snaps or as indicated.
The programmable fan (M8) displays
messages. You can change the messages
displayed using project 15.
Most projects that use the LED MC (U29)
require that you select a game using the
selector (S8). This is explained in the projects,
but here are a few notes:
● There are 21 games available.
●
If you try to select a game number higher
than 21 then the display will be reset to “00”.
● When the player wins, loses or nishes a
game, the display will say “Go” again and
the player can play the game again.
●
The only way to select a different game is by
turning off the circuit and then turning it back
on so that “00” appears on the display again.
Some projects have you mount one of the
disco covers on the disco motor (DM):
2
3
4
5
Note: While building the projects, be careful not
to accidentally make a direct connection across
the battery holder (a “short circuit”), as this may
damage and/or quickly drain the batteries.
How to Use Snap Circuits
®
B3
S1
Flat side
Flat side
DM
shaft
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