Touch-type touch control switch
A touch switch and touch technology, applied in the field of touch touch switches, can solve problems such as low sensitivity and inability to realize dimming in lighting circuits.
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[0013] Below in conjunction with accompanying drawing, this real type is described further:
[0014] See figure 2 , the present invention includes: a DC current input circuit 1 providing power for the circuit, an LED illuminant 2 as lighting, a constant current drive chip 3 for driving the LED illuminant 2, and a single-chip microcomputer 4 for controlling the circuit, and a trigger circuit is also included in the circuit , the trigger circuit includes: a pair of D flip-flops 5, one pin of the trigger 5 is connected to a touch electrode 6, the trigger 5 is connected to the single-chip microcomputer 4, and the trigger 5 is triggered to generate a positive pulse output action by triggering the touch electrodes 6, Input the positive pulse signal into the single-chip microcomputer 4, and after receiving the positive pulse signal, the single-chip microcomputer 4 outputs a pulse width modulation signal through one of the pins to drive the constant current drive chip 3, thereby driv...
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Abstract
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