12 Lead Portable ECG with wireless connectivity

**12-Lead Portable ECG with Wireless Connectivity** **Overview** This project involves the complete design and prototyping of a medical-grade, 12-lead Electrocardiogram (ECG) device. Built around the powerful **ESP32-S3-WROOM-1** module, the system is engineered for high-fidelity cardiac monitoring with seamless wireless data transmission. The design prioritizes patient safety, power versatility, and compact integration. **Key Technical Features** - **Core Processing & Connectivity**: Powered by the **ESP32-S3-WROOM-1**, enabling robust processing of 12-lead signals and reliable **Bluetooth Low Energy (BLE)** connectivity for real-time remote monitoring and mobile integration. - **Medical-Grade Safety**: Designed with strict adherence to **IEC 60601** standards for patient isolation. The circuitry includes comprehensive **ESD protection** and isolation barriers to ensure patient safety during operation. - **Advanced Power Management**: Features a versatile power architecture that runs on a rechargeable **Li-Po battery** or directly via **USB Type-C**. - **Smart Power Path**: Includes an automatic power-path management circuit that seamlessly redirects to adapter power if the battery is dead, low, or removed, ensuring continuous operation without interruption. - **Battery Safety**: Integrated protection circuits for over-charge, over-discharge, and thermal monitoring. - **Professional PCB Layout**: Designed in **Altium Designer**, featuring a multi-layer stack-up optimized for mixed-signal integrity, minimizing noise in sensitive analog ECG front-ends. **Tools & Technologies** - **EDA Tool**: Altium Designer - **MCU**: ESP32-S3-WROOM-1 - **Connectivity**: Bluetooth Low Energy (BLE) / USB Type-C - **Firmware**: C++ / Arduino Framework - **Mechanical**: Fusion 360 (Enclosure & Concept)