DSE 2019: Mira Is an HDMI-Connected Digital Signage Device for Turning Any Display Into Signage March 28, 2019 | Home / March 28, 2019 rave-video / DSE 2019: Mira Is an HDMI-Connected Digital Signage Device for Turning Any Display Into Signage DSE 2019: Mira Is an HDMI-Connected Digital Signage Device for Turning Any Display Into Signage