# Tilt module sw-520d <span style="font-size:16px;">Installation diagram of sw-520d module</span> <div style="width:100%;text-align:center;">   </div> **<span style="font-size:16px;">In this example, the system's own gpio drive control is used</span>** <span style="font-size:16px;"> Test script program driver210519 vboards_sw520d_gpio44sw520d_gpio44.sh Test command: 1、Increase execution authority: chmod +x sw520d_ gpio44.sh 2、Execute the script program: ./sw520d_gpio44.sh, turn the tilt module, and observe the reading </span> <div style="width:100%;text-align:center;">  </div> --- <div style="width:100%;text-align:center;">  </div>