Using the HT45R35 in touch switch fan applications

The HT45R35 is 12-touch switch type Holtek microcontroller. Touch switches are non-contact capacitor type switch that can be used to replace the usual mechanical switch types. Here the HT45R35 device is used in an electric fan control application. The application uses touch switches to replace the usual mechanical type of switches to control the fan rotational speed, timer function and fan head rotation selection etc.

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