Battery-Powered Heart Rate Monitor using Seeed Studio nRF52840 and MAX30102
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Circuit Documentation
Summary
This document provides a detailed overview of a circuit that integrates a Seeed Studio nRF52840 microcontroller with a MAX30102 sensor. The nRF52840 serves as the main controller, while the MAX30102 is used for pulse oximetry and heart-rate monitoring. The components are interconnected to facilitate communication and power distribution.
Component List
Seeed Studio nRF52840
- Description: A powerful microcontroller with Bluetooth 5.0 capabilities, suitable for IoT applications.
- Pins: VUSB, GND, 3V3, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, NFC1, NFC2, B-, B+
MAX30102
- Description: A sensor module for pulse oximetry and heart-rate monitoring.
- Pins: VIN, SDA, SCL, GND, RD, IRD, INT
Wiring Details
Seeed Studio nRF52840
- VUSB: Connected to VIN of MAX30102
- GND: Connected to GND of MAX30102
- Pin 6: Connected to SDA of MAX30102
- Pin 5: Connected to SCL of MAX30102
MAX30102
- VIN: Connected to VUSB of Seeed Studio nRF52840
- GND: Connected to GND of Seeed Studio nRF52840
- SDA: Connected to Pin 6 of Seeed Studio nRF52840
- SCL: Connected to Pin 5 of Seeed Studio nRF52840
Documented Code
There is no embedded code provided for this circuit.
This document provides a comprehensive overview of the components and their interconnections in the circuit. The Seeed Studio nRF52840 microcontroller is responsible for controlling the MAX30102 sensor, which is used for measuring heart rate and blood oxygen levels. The wiring details ensure proper communication and power supply between the components.