| 摘要 |
A compact non-contact multi-function electrical switch for use in an electrical box mounted on a wall has a one or more capacitance sensors for detecting a presence of a hand placed adjacent to the switch, as well as the directional movements of the hand along an X and/or Y axis and/or Z axis, and for generating data values, and a CPU for receiving the values and for determining which function is to be performed, such as calculating a power output in response to a first data bit. The switch can communicate with nearby switches to avoid sensor interference. The CPU can be used to generate one or more control signals for controlling the predetermined function associated with the specific movements. A processing unit may be used with multiple switches in a gang assembly, so that the switch sensors form an array enabling the switches to perform more complex control functions.
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