IoT gateway is one of the key components in the IoT system, which plays the role of a bridge between the sensing network and the traditional communication network. The functions of an IoT gateway are diverse, ...

1. Why do we need to make anti-fake filter element First, as the brand of water purifier, reputation and reputation are undoubtedly one of the most important factors for enterprises. How big and how far the enterprise can go. The water quality of the water purifier is determined by the filter element. When replacing the filter element for the water purifier, customers or dealers are likely to choose a low-cost third-party filter element, which will reduce the water quality of the water purifier and affect the reputation....