Control circuit for radio frequency beauty instrument

The utility model discloses a control circuit for a radio frequency beauty instrument, and relates to the technical field of circuit control. The circuit consists of an MCU (Microprogrammed Control Unit) microprocessor, an RF (Radio Frequency) conversion and output circuit, an RF current and temperature control circuit, a USB (Universal Serial Bus) charging and lithium battery control circuit, a DC-DC (Direct Current-Direct Current) control circuit, a three-axis gravity sensing control circuit, a buzzer prompt circuit, an LED (Light Emitting Diode) display circuit and a key detection circuit. And the MCU microprocessor is used for controlling the work of the RF conversion and output circuit, the RF current and temperature control circuit, the USB charging and lithium battery control circuit, the DC-DC control circuit, the three-axis gravity sensing control circuit, the buzzer prompt circuit, the LED display circuit and the key detection circuit. Through a series of improvements, the three-axis gravity sensing