SPST toggle switch, also referred to as on/off switch(S2)
Four AA battery pack with snap connector
Six 2-pin terminal blocks
An assortment of different lengths of prestripped short 22 AWG wire
Taking Things Step by Step.........................................................................
Scary things don’t just happen by themselves (things that go bump in the
night notwithstanding). Building a scary pumpkin project requires that you
do two things:
- Create the silent pumpkin.
- Create the talking pumpkin.
Making a silent pumpkin ...................................................................
Tackle the silent partner of this pumpkin duo first. Here are the steps
involved:
- Place the LM555 IC and three terminal blocks on a breadboard, as
shown in Figure 9-7.
Figure 9-7:
Place the
LM555 IC
and terminal
blocks on
the
breadboard.
Chapter 9: Scary Pumpkins 197