Turn on and off and control LED brightness or DC fan speed with the push of a button without complicated drivers or ICs. The lamp dimmer circuit is capable of controlling the light intensity and adjusting the correct brightness modes according to the user's requirements. Circuit for regulating LED light source in many types of lamps such as: rigid LEDs, LED modules. This circuit works based on the change of resistance values ​​thanks to the rheostat. When these resistance values ​​change, it will lead to a change in the excitation current on the G mosfet pin, making the mosfet more or less conductive. You can also use this circuit to adjust the DC dynamic speed. Note the capacity of the mosfet and the large heatsink for the mosfet to work stably. The circuit uses 1MΩ resistor, 225j mica capacitor, irf3250 mosfet, push button. Explain the operating principle of an electronic circuit that regulates the intensity of the LED light.
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