Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, an ADXXL335 accelerometer, a Temperature Sensor (LM35), a MAX30102 pulse oximeter, and a Buzzer. The document includes a component list, wiring details, and the embedded code used in the microcontroller.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

ADXXL335

• Description: A 3-axis accelerometer.
• Pins: VCC, X-OUT, Y-OUT, Z-OUT, GND

Temperature Sensor (LM35)

• Description: A precision centigrade temperature sensor.
• Pins: +Vs, Vout, GND

MAX30102

• Description: A pulse oximeter and heart-rate sensor.
• Pins: VIN, SDA, SCL, GND, RD, IRD, INT

Buzzer

• Description: An audio signaling device.
• Pins: GND, IN

Wiring Details

Arduino UNO

• 3.3V connected to ADXXL335 VCC
• 5V connected to Temperature Sensor (LM35) +Vs
• GND connected to:
  • ADXXL335 GND
  • Buzzer GND
  • MAX30102 GND
  • Temperature Sensor (LM35) GND
• A0 connected to Temperature Sensor (LM35) Vout
• A1 connected to ADXXL335 X-OUT
• A2 connected to ADXXL335 Y-OUT
• A3 connected to ADXXL335 Z-OUT
• A4 connected to MAX30102 SDA
• A5 connected to MAX30102 SCL
• D8 connected to Buzzer IN

ADXXL335

• VCC connected to Arduino UNO 3.3V
• X-OUT connected to Arduino UNO A1
• Y-OUT connected to Arduino UNO A2
• Z-OUT connected to Arduino UNO A3
• GND connected to Arduino UNO GND

Temperature Sensor (LM35)

• +Vs connected to Arduino UNO 5V
• Vout connected to Arduino UNO A0
• GND connected to Arduino UNO GND

MAX30102

• VIN (not connected)
• SDA connected to Arduino UNO A4
• SCL connected to Arduino UNO A5
• GND connected to Arduino UNO GND
• RD (not connected)
• IRD (not connected)
• INT (not connected)

Buzzer

• GND connected to Arduino UNO GND
• IN connected to Arduino UNO D8

Documented Code

sketch.ino

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

documentation.txt