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HealthyPi v4 is a fully open source, standalone vital signs monitor with wireless and wearable capabilities.
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README.md

Welcome to HealthyPi v4

HealthyPi v4 is a HAT for the Raspberry Pi, as well as a standalone device that can measure human vital signs that are useful in medical diagnosis and treatment. HealthyPi v4 sets a new standard in open source health solutions with mobility, wireless and wearable capabilities. This device presents a snapshot of the user's medical condition within his/her environment and opens up medical research possibilities.

HealthyPi Display

HealthyPi v4 measures the following parameters in real-time and with high accuracy:

  • Electrocardiogram (ECG) data, heart rate, and heart-rate variability
  • Respiration based on impedance pneumography
  • Pulse oximetry (SPO₂)
  • Body temperature

HealthyPi 4 is affordable and accessible and the open source aspect means that it’s easy to expand upon.

You can now purchase the HealthyPi v4 HAT Kit from Crowd Supply

Get started at healthypi.protocentral.com

HIGHLIGHTS

Microcontroller and wireless connectivity: ESP32, in WROOM32 module format, with a Dual-core Xtensa 32-bit CPU, 4 MB of on-board flash, Wi-Fi, and support for BLE

Wireless interface: Wi-Fi and Access Point (AP) modes, a 2.4 GHz radio with an on-board PCB antenna that is compatible with Bluetooth 4.2 and BLE

Firmware programming: Supports Arduino IDE as well as Espressif ESP-IDF

Sensors: ECG and respiration front end: Texas Instruments (TI) ADS1292R 24-bit analog front end with signal-to-noise ratio (SNR) of 107 dB Pulse oximetry front end: TI AFE4400 pulse oximetry front end with integrated LED driver and 22-bit ADC

Temperature sensor: Maxim MAX30208 digital body temperature sensor for monitoring skin temperature

Form factor: Raspberry Pi HAT form factor (65 mm X 56 mm)

PORTS & INTERFACES:

  • On / Off Switch : Powering the HealthyPi v4
  • USB-CDC : On-board USB-TO-UART converter
  • 2x Sparkfun QWIIC : Compatible I2C ports for interfacing any wiic based sensors
  • Sliding switch : Transition between two different modes(Pi3 mode and wearable mode)
  • On-board 3 LED : Charge indication, BLE indication,Webserver indication
  • Push-button : Switching between Communication Protocols(BLE and Webserver)

Checkout detailed documentation, including getting started instructions at healthypi.protocentral.com

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