vibration sensor

hello
I am a learner and i am making Baby Monitor. I Want to have a vibration sensor attached to the neck of the baby. What shall I use.
Pl help me.

It is NOT A GOOD IDEA to have wires around a baby's neck.

Than What should i do?

Baby monitors use sound. Try Sound sensor

Only use a vibration sensor around the baby's neck if you don't like the baby at all and want to kill it.

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