Abstract: A power supply device includes a power conversion module and a power regulating module. The power conversion module is configured to convert an AC electric power into a DC electric power. The power regulating module includes a microprocessor, a voltage-dividing resistor, a constant-voltage regulator, and a constant-current regulator. The voltage-dividing resistor is electrically connected to the setting resistor and the microprocessor. The constant-voltage regulator is electrically connected to the power conversion module, the dividing resistor, and the setting resistor; The constant-current regulator is electrically connected to the power conversion module and the microprocessor.

Abstract: A power supply device includes a power conversion module and a power regulating module. The power conversion module is configured to convert an AC electric power into a DC electric power. The power regulating module includes a microprocessor, a voltage-dividing resistor, a constant-voltage regulator, and a constant-current regulator. The voltage-dividing resistor is electrically connected to the setting resistor and the microprocessor. The constant-voltage regulator is electrically connected to the power conversion module, the dividing resistor, and the setting resistor; The constant-current regulator is electrically connected to the power conversion module and the microprocessor.

Abstract: A light emitting diode (LED) driving device with control based on LED setting resistance is disclosed. The LED driving device is applied to an LED lighting fixture having a setting resistor and is configured to modulate output voltage and output current according to the setting resistor to fit the power requirement of the LED lighting fixture. The LED driving device includes a power conversion module and a driving module. The driving module includes a microprocessor and controlling unit. The microprocessor is electrically connected to the LED lighting fixture for sensing the setting resistor and generates a controlling signal in accordance with the sensed setting resistor to the controlling unit. The controlling unit is electrically connected to the microprocessor and the power conversion module and configured to drive the power conversion module to modulate output current and output voltage according to the controlling signal.

Abstract: A light emitting diode (LED) driving device with control based on LED setting resistance is disclosed. The LED driving device is applied to an LED lighting fixture having a setting resistor and is configured to modulate output voltage and output current according to the setting resistor to fit the power requirement of the LED lighting fixture. The LED driving device includes a power conversion module and a driving module. The driving module includes a microprocessor and controlling unit. The microprocessor is electrically connected to the LED lighting fixture for sensing the setting resistor and generates a controlling signal in accordance with the sensed setting resistor to the controlling unit. The controlling unit is electrically connected to the microprocessor and the power conversion module and configured to drive the power conversion module to modulate output current and output voltage according to the controlling signal.