Projects Class Prototype

Hi everyone,

I’m trying to figure out what kind of infrared sensor I would use for my projects prototype.

Currently we’re trying to integrate an IR sensor with speakers and an LED. When it detects a motion, it would signal the Arduino to give off a beeping sound and create a blinking LED.

I’ve been looking at different types of IR sensors but I’m not sure which type to use.

Sorry if this is confusing. First time posting here.

Thanks!

How about a basic PIR?

I recently helped someone with that sensor. The bottom line is that it does not work very well without modifications.

For a buck more, go with this one...