The integral smart home appliances are developed for monitoring and control the household devices. The WI-FI module is used for wireless network communication, so as to upload information of all connected smart home appliances to the server. The home appliances can also be remotely controlled by the external network. The Airkiss distribution mode is used to connect the WI-FI master module to the network, and to connect to other WI-FI module devices to adopt the ad hoc network mode for wireless networking.
This paper develops a kind of power-supply module that uses digital control and buck circuit. The module can convert 220V alternating current into 0-30V direct current. In the aspect of circuit design, it is mainly AC-DC, DC-DC conversion circuit and SCM minimum system circuit. In the aspect of control circuit, for feedback signal of current sensor, the power-supply module can obtain average value by multiple methods and remove the mutation value.
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