Page 6 - My FlipBook
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Chapter 2
What You’ll
Need
Building a room alarm is actually
pretty simple. Just gather some DC3-24V buzzer with
supplies, and get started. Don’t worry wires (with 1 inch
3-volt battery with wires
if something doesn’t work right away. (with 1 inch [2.5 centimeters] [2.5 cm] of wire exposed)
Experiment until it does. And, most of wire exposed)
importantly, remember to have fun!
1 2 x 2-inch
(13 x 13-cm) square (5 x 5-cm) square electrical
tape
1 5 x 5-inch
of aluminum tape
of cardboard
marker masking
scissors tape
a responsible adult
to help you
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