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Lighting circuit two-place control connection circuit
Source: InternetPublisher:通通 Keywords: Lighting circuits switches BSP Updated: 2020/01/20
Circuit working principle: The structure of the double switch is as shown in the figure. The double switch
has three terminal posts, of which post 1 is a connecting copper piece (referred to as a connecting piece). It is like a
movable bridge. No matter how the switch
is pressed, connecting piece 1 will always be connected
to one of studs 2 and 3. Keep it on to achieve the purpose of controlling the circuit on and off.
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