HeartToHeart

HeartToHeart is a hardware project designed for IoT prototyping, featuring a custom PCB and ESP32 microcontroller. The project includes AWS IoT integration, a custom display, and a complete KiCad design for fabrication and assembly.

Features

• Custom PCB design (KiCad)
• ESP32 microcontroller
• AWS IoT Core connectivity
• OLED display (NHD-C12832A1Z-FSW-FBW-3V3)
• Example firmware for secure WiFi and AWS IoT connection

Directory Structure

• pcb/ – KiCad project files and backups
• src/ – Firmware source code and secrets templates
• pcb/media/ – Project images and schematic PDF

Getting Started

1. Clone the repository
2. Copy src/secrets.example.h to src/secrets.h and fill in your WiFi and AWS IoT credentials
3. Open pcb/pcb.kicad_pro in KiCad to view or modify the PCB
4. Generate your own fabrication files (Gerbers, drills, etc.) using KiCad's plot and export tools
5. Flash the firmware in src/src.ino to your ESP32

Images

PCB Layout

Schematic

License

See pcb/License.txt for licensing information.

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Note: Do not commit your real src/secrets.h with credentials. Use src/secrets.example.h as a template.

Important: Fabrication files (Gerbers, drills, etc.) are not included in the repository. You must generate your own using the provided KiCad project files.