Figure 4From: Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor NetworkiLab. t WiLab testbed architecture. The central management server has an ethernet connection with all the iNodes. These iNodes provide an admin interface to the environment emulator (EE), which provides both an admin interface and a control interface to the device under test (DUT).Back to article page