Meter type wearable sphygmomanometer PCBA

Oscillographic method, 【 boost 】 measurement; Using a V-square 0.8mm DC ultra-thin micro air pump for pressurization, a V-square 0.8mm DC micro rapid exhaust valve for venting, and a V-square 0.8mm pump/valve for integrated pressurization and venting; Semiconductor resistive sensors for pressure detection.