Abstract
This design proposes a low-cost node solution based on the Wi-Fi wireless sensor network. It aims to solve the problem of the popularity of smart homes due to high costs in real life and is suitable for applications in the smart home field. This solution saves cost, uses SOC solution, and has few peripheral circuits. Nodemcu is used to collect sensor data directly, which saves a separate main control chip, thereby further reducing costs. Various hardware interfaces are provided to facilitate the expansion of different types of sensor functions. The hardware of different functional nodes is designed, and the data is uploaded to a back-end server. Based on the software processing, the data between different nodes is aggregated and uploaded to the cloud platform for display to achieve remote access and control.
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