HealthyPi 4.4 Vital Signs Monitoring HAT Kit
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Part Number: PC-HTH-0019

HealthyPi 4.4 Vital Signs Monitoring HAT Kit

byProtoCentral

⚠ Retired Product — This product has been discontinued and is no longer available for purchase. It has been succeeded by the HealthyPi 5, which offers significant improvements in performance, features, and software support. View the HealthyPi 5 →

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HealthyPi 5 Vital Signs Monitoring HAT Kit
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HealthyPi 5 Vital Signs Monitoring HAT Kit
PC-HTH-0021
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HealthyPi 4.4 Vital Signs Monitoring HAT Kit
HealthyPi 4.4 Vital Signs Monitoring HAT Kit
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HealthyPi v4.4 was a Raspberry Pi HAT-format vital-signs monitor built around an ESP32 (WROOM32) module with the Texas Instruments ADS1292R 24-bit ECG/Respiration AFE and AFE4400 pulse-oximetry front-end, plus a MAX30208 skin-temperature sensor. It has been replaced by the HealthyPi 5 HAT Kit, which adds an RP2040 co-processor and ESP32-C3 for Wi-Fi/BLE 5, more onboard sensors, and a faster firmware stack.

Existing v4.4 hardware continues to work with the legacy firmware repository. For new projects, please use HealthyPi 5.

Demo video: HealthyPi v4 overview on Vimeo · HealthyPi v4.4 update

Important notice

HealthyPi v4.4 has features of a medical-grade patient monitor but is not a certified medical device (no FDA, CE, IEC) and is not approved for medical or diagnostic use. Use only with isolated power sources.

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Works With

developer_board Arduino bluetooth Bluetooth LE wifi ESP32 memory Raspberry Pi
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Key Specs

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ESP32 WROOM32 + TI ADS1292R + TI AFE4400 Main IC
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USB 5 V / Li-Ion (on-board charger) Voltage
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Wi-Fi + BLE / USB / RPi HAT 40-pin Interface
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ADS1292R 24-bit ECG; AFE4400 22-bit PPG Resolution
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ECG, Respiration, PPG / SpO₂, Skin Temperature Channels
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Documentation

schema Schematic Board design files open_in_new code Arduino Library Arduino / C++ source & examples open_in_new
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Specifications

Board Size 16 × 22 × 6 cm
License CERN-OHL-P v2
Part Number PC-HTH-0019
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What's in the Box

  • check_circle HealthyPi 4.4 main board
  • check_circle 1000 mAh Li-Po battery
  • check_circle Three-electrode ECG cable (snap connectors + stereo jack)
  • check_circle Single-use ECG electrodes ×20
  • check_circle Finger-clip SpO₂ probe (Nellcor-compatible DB9)
  • check_circle Qwiic-based skin-temperature sensor
  • check_circle HAT mounting kit (headers + screws)