pi-chat

A project showcasing a containerized chat application, which communicates and causes actions on a raspberry pi

Project Structure

• functions/ - Azure Functions for MCP endpoints (GetTelemetry and SendAction)
• infra/ - Infrastructure as Code (Bicep) for Azure resources
• raspberry-pi/ - Python applications for receiving telemetry and action messages on Raspberry Pi

Architecture

Web Application (Azure App Service)
    ↓
Azure Functions (MCP Endpoints)
    ↓
Azure Service Bus Topics (Telemetry & Action)
    ↓
Raspberry Pi Services
    ├─ Telemetry Receiver → Sensor Reading
    └─ Action Receiver → Action Execution

Components

Azure Functions

HTTP endpoints that receive requests and forward them to Service Bus topics:

• GetTelemetry - Sends telemetry requests to the Telemetry topic
• SendAction - Sends action requests to the Action topic

See functions/README.md for details.

Raspberry Pi Services

Two Python services that run on the Raspberry Pi:

1. Telemetry Receiver - Receives messages from the Service Bus Telemetry topic and processes them based on the SensorKey field (Temperature, Light, CPU).

2. Action Receiver - Receives messages from the Service Bus Action topic and processes them based on the ActionType field (Camera, etc.).

See raspberry-pi/README.md for installation and usage.

Infrastructure

Azure resources deployed using Bicep templates, including:

• Container Registry
• App Service
• Function App
• Service Bus (with topics and subscriptions)
• OpenAI Service
• AI Foundry Hub

See infra/README.md for deployment instructions.