Looking For the Correct Sensor

Account cancelled 2017-12-13 21:40:43 1349 Views1 Replies
Basically, I'm looking for a sensor that can be put into an acrylic compartment that senses when an object has been put in and removed from the compartment.
Also this can be programmed with Arduino

If anyone could help me, that would be prefect!

2017-12-14 14:29:25 You can have a look of the digital microwave sensor https://www.dfrobot.com/product-1403.html, this sensor can detect any movement in the range, when the object is put or removed, there must be movement in the compartment. robert.chen