Action on the forehead (after direct subcutaneous stimulation of nerve fibers) to assist the treatment of insomnia, migraine, and neurasthenia
The mirror constant current source circuit is used to produce symmetrical two -way pulse square wave, to realize the precise adjustment of pulse frequency, period, pulse width and intensity
SOC integrating RF and Cortex - M 0 kernel is adopted to optimize impedance matching and microstrip antenna design to realize single -chip MCU function and wireless communication function