I was reminded on another thread that you can use a cheaper contact sensor (like this one http://www.monoprice.com/Product?p_id=10795) that has contacts instead of the MIMOLite if a battery powered option is okay.
I was reminded on another thread that you can use a cheaper contact sensor (like this one http://www.monoprice.com/Product?p_id=10795) that has contacts instead of the MIMOLite if a battery powered option is okay.