MAXREFDES117#

The MAXREFDES117# is a heart rate and pulse oximetry monitor reference design board. This low power, optical heart rate module is complete with integrated red IR LEDs and power supply. The tiny board is perfect for wearable projects and can be placed on a finger or earlobe to accurately detect heart rate. This versatile module works with both Arduino and mbed platforms for quick testing, development and system integration. A basic, open source heart rate and SpO2 algorithm is included in the example firmware. The board features 8 sewing tap pads for attachment and quick electrical connection to a development platform. The MAXREFDES117# design utilizes heart rate/SpO2 sensor (MAX30102), an efficient low power step-down converter (MAX1921) and an accurate level translator (MAX14595). This configuration ideally detects heart rate and pulse ox on a person’s fingertip, earlobe or other fleshy extremity.

• Optical heart rate monitor and pulse oximetry solution
• Tiny 12.7mm x 12.7mm (0.5in x 0.5in) board size ideal for wearable applications
• Low power, device drivers, free algorithm and test data
• Example C source code for Arduino and mbed platforms
• Highly integrated, small size sensor
• Non chest based heart rate/SpO2 detection
• Ultra low power consumption
• Input voltage range from 2V to 5.5V
• Input current of 1.5mA (3.3V input)

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