Xiaoming pointing at the weak https://inet.haw-hamburg.de/gallery/iot-workshop-shanghai-10/IMG_1347.JPG/view https://inet.haw-hamburg.de/gallery/iot-workshop-shanghai-10/IMG_1347.JPG/@@download/image/IMG_1347.JPG Xiaoming pointing at the weak Click to view full-size image… Size: 179.0 KB