4
ZOMBIE ALARMS
Movies tell us that zombies can’t move around without groaning. They’re also clumsy and liable to crash into things. However, there’s still the possibility that they will catch you unaware. After all, you have to sleep sometime. So, one of the first uses of your newly generated electricity should be to make some zombie alarms (Figure 4-1).
This chapter has two zombie detector projects: a decidedly low-tech trip wire alarm and a more sophisticated passive infrared (PIR) proximity alarm.
Figure 4-1: Zombie detection
PROJECT 5: TRIP ...
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