Manivannan
Published © GPL3+

HealthConnect : An IoT Arm Band powered by MicroChip

A Wearable Medical device to stream the person's health data (ECG, Heart Rate, SpO2, Activity) in a secured AWS for remote monitoring

IntermediateFull instructions providedOver 8 days1,744

Things used in this project

Hardware components

AVR-IoT WA Development Board
Microchip Technology AVR-IoT WA Development Board
×1
Arduino Nano R3
Arduino Nano R3
×1
SparkFun Single Lead Heart Rate Monitor - AD8232
SparkFun Single Lead Heart Rate Monitor - AD8232
×1
MAX30102
×1
LM35 Temperature sensor
×1
Analog Accelerometer: ADXL335
Adafruit Analog Accelerometer: ADXL335
×1
TCA9548A
×1
HC-05 Bluetooth Module
HC-05 Bluetooth Module
×1
Tactile Switch, SPST-NO
Tactile Switch, SPST-NO
×1
Mini Power Bank 5v
×1
Li-ion 18650 2000mah
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Customized Bag
×1

Software apps and online services

MPLAB X IDE
Microchip Technology MPLAB X IDE
Arduino IDE
Arduino IDE
MIT App Inventor
MIT App Inventor
AWS IoT
Amazon Web Services AWS IoT

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Solder Wire, Lead Free
Solder Wire, Lead Free
Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires
Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires
PCB, For DMB-4775
PCB, For DMB-4775
Premium Female/Male Extension Jumper Wires, 40 x 6" (150mm)
Premium Female/Male Extension Jumper Wires, 40 x 6" (150mm)

Story

Read more

Custom parts and enclosures

Customized bag

Customized wearable bag to be wore around the arm

Enclosure- Top Part

Enclosure- Top Part

Enclosure - Bottom Part

Enclosure - Bottom Part

Android APK

Android APK

Schematics

CompleteWiringDiagram

I have used Fritzing for full connection diagram , Refer other connection for individual connections based on functionality

ECGWiring

Connect Output of AD8232 to AN pin of AVR IoT
Vcc -> 3.3v
Gnd -> Gnd

I2C MUX communication

Connect the components as per the Pin diagram

Power Supply connection

Connect as per the diagram

Switch/ADXL335/LM35 connections

connect as per the diagram

Code

HealthConnect Code - AVR IoT , Arduino

Use the Arduino code and AVR IoT source code with the HealthConnect application specific modified code . For arduino Nano -> flash FinalCodeMedical.ino file

Credits

Manivannan

Manivannan

8 projects • 28 followers
Engineer by profession. Solving Real world problems by Passion .

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