Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a MAX30100 pulse oximeter and heart-rate sensor, an MLX90614 infrared thermometer, and an ESP8266 NodeMCU microcontroller. The components are interconnected to facilitate data acquisition and communication.

Component List

MAX30100

• Description: Pulse oximeter and heart-rate sensor.
• Pins: Vin, GND, SCL, SDA, INT

MLX90614

• Description: Infrared thermometer.
• Pins: SDA, SCL, GND, VIN

ESP8266 NodeMCU

• Description: Wi-Fi microcontroller.
• Pins: D0, D1, D2, D3, D4, 3V3, GND, D5, D6, D7, D8, RX, TX, A0, RSV, SD3, SD2, SD1, CMD, SD0, CLK, EN, RST, VIN

Comment

• Description: Placeholder for comments.
• Pins: None

Wiring Details

MAX30100

• Vin: Connected to ESP8266 NodeMCU 3V3
• GND: Connected to ESP8266 NodeMCU GND and MLX90614 GND
• SCL: Connected to ESP8266 NodeMCU D1 and MLX90614 SCL
• SDA: Connected to ESP8266 NodeMCU D2 and MLX90614 SDA
• INT: Connected to ESP8266 NodeMCU D0

MLX90614

• VIN: Connected to ESP8266 NodeMCU VIN
• GND: Connected to ESP8266 NodeMCU GND and MAX30100 GND
• SCL: Connected to ESP8266 NodeMCU D1 and MAX30100 SCL
• SDA: Connected to ESP8266 NodeMCU D2 and MAX30100 SDA

ESP8266 NodeMCU

• 3V3: Connected to MAX30100 Vin
• GND: Connected to MAX30100 GND and MLX90614 GND
• D0: Connected to MAX30100 INT
• D1: Connected to MAX30100 SCL and MLX90614 SCL
• D2: Connected to MAX30100 SDA and MLX90614 SDA
• VIN: Connected to MLX90614 VIN

Documented Code

No code is provided for the microcontrollers in this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. The components are interconnected to facilitate data acquisition and communication, making this circuit suitable for applications involving pulse oximetry, heart-rate monitoring, and infrared temperature measurement.