Fig. 5From: Proposal for a layer-based IoT construction method and its implementation and evaluation on a rolling stand-up walkerConceptual system diagram of the rolling stand-up walker measurement system—the Module [A] has left and right load sensors (\(m_l\), \(m_r\)) and acceleration sensors (\(a_y\)), and Module [B] has a rotary encoder for measuring the distance (\(l_y\))Back to article page