Yes, the key could have a small watch size battery. Security badges, inventory tracking, and toll booth payment applications are very similar to what I need. Where can I learn more about RFID technology and turn key solutions?
I am an inventor working on a simple project. I need a small sensor that will detect a key that is no bigger than 1"x1". The response of the sensor needs to be trigger if the key is not the key it is looking for and off if no key is in range or the key in range is the pass key. The...
