/challenges-projects/design-challenges/design-for-a-cause-2021/b/blog/posts/venttracker-07---adjusting-the-window-sensorDuring this week we have finished placing our window sensor prototype in the window mockup built weeks ago. We have modified the mockup to be able to screw the sensor and place a 9v battery behind it. We have also added a numerical ruler and several en-USTelligent Community 12