The BMH08002-4 is a blood oxygen and heart rate sensor module that can measure blood oxygen saturation (SpO2), heart rate, and perfusion index (PI). The external MCU can read the measured value and set the operating mode and related parameters through the UART interface on the module. This product is mainly composed of reflective blood oxygen heart rate sensor and Holtek dual operational amplifier A/D type Flash MCU. It is designed and produced by Best Health Electronics Inc.

The main features of the MCUare its 4-level adjustable bandwidth integrated operational amplifiers and 16-bit Voice D/A converter. It is suitable for applications of oximeter, intelligent wearable devices and health care measurement products, etc.