Amazing Art Car Features RFID-Enabled Nautilus Aperture Door [Video]

This amazing “pressure door” was built by artist Alan Rorie for a Nautilus-themed art car. The door features an RFID-controlled lock mechanism and a four-foot motorized iris. The motorization of the large aperture was surprisingly easy. I used two small DC motors with spur gears and nice torque mounted on either side of the cam […]