ProtoCentral’s open source “Healthy Pi v4” HAT for vital sign monitoring advances from the v3 model with an ESP32 SoC with WiFi AP and BT-BLE and a battery for portable use including a wearable mode without a Raspberry Pi. In 2017, Bangalore, India-based ProtoCentral launched its HealthyPi v3 HAT for the Raspberry Pi for low-cost […]
Source: LXer – Raspberry Pi health monitoring HAT adds ESP32 and battery for wearables mode