PWM dimming method and PWM dimming device
A dimming device, PWM signal technology, applied in lighting devices, light sources, electric light sources, etc., can solve the problems of LED light source stroboscopic, increase customer expenses, trouble, etc., achieve smooth and soft dimming effect, avoid stroboscopic Effect
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[0044] A PWM dimming method and a PWM dimming device proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0045]Please refer to FIG. 2. FIG. 2 is a schematic structural diagram of a preferred embodiment of a PWM dimming device proposed by the present invention. The PWM dimming device includes a dimming signal interface circuit 1, a control circuit 2, and a driving circuit 3. , the drive circuit output interface circuit 4 . The dimming signal interface circuit 1 receives the dimming control signal from the outside and transmits it to the control circuit 2 , the control circuit 2 analyzes the dimming control signal, generates a control signal and transmits it to the driving circuit 3 . The dimming control signal is generated by various interfaces that interact with the user. The interactive interface can be a rotary switch, a button for sub-positions, a remote control or a handheld m...
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