A web-based video call room for 02 Pi devices installed camera, micro and speaker. It's like Google Meet Hardware but much more simpler

How it runs

The above diagram is generated from below snippet on Mermaid Live Editor

flowchart LR
    subgraph z1 [Internet]
        s[WebRTC Signaling server]
    end
    subgraph z2 [Network 1]
        r1[Router]-. NAT.->p1[Pi 1]
        p1[Pi 1]-- gRPC -->s
    end
    subgraph z3 [Network 2]
        r2[Router]-. NAT.->p2[Pi 2]
        p2-- gRPC -->s
    end
    subgraph z4 [Network 3]
        r1-. WebRTC .->b[Chrome browser]
        b-- gRPC -->s
        r2-. WebRTC  .->b
    end

The repo structure

• apps: consult README file on each folder
  • pi-camera-client app: a Python app runs on Raspberry Pi with Camera module
  • web-viewer-client app: a VueJS web frontend app presents the camera in Raspberry Pi
  • webrtc-signaling-server app: a NodeJs backend web app for handling WebRTC Signaling messages
  • vendor-services is 3rd-party backend services
• schema: the shared schema for GRPC service and messages
• deployment: guideline and utils for deploying to your real environment