sequenceDiagram
    autonumber
    participant Webbrowser
    participant FLASK
    participant NGINX
    participant Webcam
    participant MQTT
    Webbrowser ->> FLASK: Can I have the initial webpage please?
    FLASK ->> Webbrowser: Here you go!
    Webbrowser ->> NGINX: Can I have the static files please?
    NGINX ->> Webbrowser: Here are the static files!
    Webbrowser ->> NGINX: Can I have the video please?
    NGINX ->> Webcam: Can I have the video please?
    Webcam ->> NGINX: Here you go!
    NGINX ->> Webbrowser: I will proxy this for you
    Webbrowser ->> MQTT: Can I subscribe to the following topics please?
    MQTT ->> Webbrowser: Here is the Data

---
title: Hardware Layout
---
architecture-beta
    group topside[Topside]
    group rov[ROV]
    group water[Water]

    service laptop[Laptop with Webbrowser] in topside
    service switch[Ethernet Switch] in topside
    laptop:B <--> T:switch
    service hid[Human Interface Device] in topside
    hid:R <--> L:switch
    service topboard[Topboard] in topside
    topboard:T <--> B:switch
    service tpower[Power Manafment] in topside
    tpower:R --> L:topboard
    service psu[batteries or PSU] in topside
    psu:T --> B:tpower


    service bottomboard[Bottom Board] in rov
    service cameras[Cameras] in rov
    service sbc[Raspberry Pi] in rov
    service control[Control and Interface PCB] in rov
    sbc:R <--> L:control
    sbc:B <--> T:bottomboard
    topboard:R <--> L:bottomboard
    cameras:B --> T:sbc
    service bpower[Power Managment] in rov
    bpower:T <--> B:bottomboard
    service bat[Batteries] in rov
    bat:T <--> B:bpower
    service motorcont[Motor and Light contol board] in rov
    sbc:R <--> L:motorcont

    bottomboard:R <--> L:control
    bottomboard:R <--> L:motorcont

    service temp[Thermomiter] in water
    service absor[Absorbance Spectrometer] in water
    service depth[Pressure Transducer] in water
    service salt[Salinometer] in water
    service motors[thrusters] in water
    service lights[Lights] in water

    junction junctioncontrol

    control:R <-- L:junctioncontrol
    junctioncontrol:R --> L:temp
    junctioncontrol:R --> L:absor
    junctioncontrol:R --> L:depth
    junctioncontrol:R --> L:salt

    junction junctionmotor

    motorcont:R <-- L:junctionmotor
    junctionmotor:R --> L:motors
    junctionmotor:R --> L:lights