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Door / motion alarm — PIR sensor triggers buzzer on motion
A single package: A single package with an integrated infrared emitter and phototransistor
Or you can use the plug half to connect some batteries to something with a 2
Since this chip is a special bi-directional level shifter it does not have strong output pins that can drive LEDs or long cables
Useful spec: ~3
IC SN74HC86N XOR 4CH 2-INP 14DIP ne555 Door / motion alarm —SN74HC86N IC GATE XOR 4CH 2 INP 14DIP
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