Fig. 4: Arrangement of wireless platforms and functional demonstrations on the camouflage effectiveness of the integrated device.
From: Squid-inspired and wirelessly controllable display for active camouflage in aquatic-environment

a Photographs of ECD coloring operation by integrated near-field WCS. b Photograph and schematic of jellyfish mimetic device, which consist of six pentagonal ECDs and Bluetooth WCS. c Various camouflage patterns of a device with individually controlled ECDs by single WCS. d Demonstration of wirelessly adaptive camouflage depending on the water darkness. ECD electrochromic display, WCS wireless control system.