What is the light that leds use? What principle?
The PWM adjustment is the control of the amount of time in which the power is broken to control the brightness
Thyristor dimmer: use the thyristor dimmer and adjust the input voltage of the input LED power module to achieve the adjustment purpose.
PWM dimming: the PWM signal produced by other IC, by adjusting the pulse width of the dimming PWM signal to control the dimming control of the power chip pins dimming voltage to achieve, such as remote control;
Linear dimming: power chips have a dimming control pin, adjustable resistance to the ground, adjust the resistance value of the potentiometer, change the voltage of dimming control pin, make the output of the PWM control chip to drive the MOS PWM pulse width is changed to adjust the current of the LED, get the dimming effect, such as lamp;
