CampusPilot

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ⓘ data flow

ESP32-WROOM (always WiFi + MQTT)
   │  publish ~5 s  campuspilot_01/<thing>/telemetry
   ▼
AWS IoT Core ──MQTTS──▶ cp_dashboard ──WebSocket──▶ this page

Trip start  ("Start trip + Motor ON" below)
   → publish campuspilot_01/<thing>/trip {action:"start", engage_motor:"ON"}
   → ESP32  cloud_task.cpp:97   setJetsonRail(true)  [GPIO26 LOW, Jetson rail ON]
                                setMotorRail(true)   [GPIO27 LOW, motor rail ON]
   → Jetson boots, cloud_bridge_node.py publishes {state:"jetson_active"}
   → ESP32 drops to heartbeat; Jetson publishes telemetry (adds EKF fields)

Trip stop
   → Jetson publishes {state:"jetson_idle"}
   → ESP32 cuts Jetson rail 2 s later (GPIO26 HIGH)

Sources: ESP32_C3_M8N_Compass/src/{mqtt_client.cpp:229, cloud_task.cpp:97-124}
         cp_jetson_ros_python/src/cloud_bridge/cloud_bridge_node.py:51,99,238

Online

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never

Telemetry

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GPS Fix

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Battery

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volts

Motor

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15 V LDO

Trip

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Joystick

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gamepad

Recording

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RB+B / RB+X

🛰️

Waiting for GPS fix…

Map appears once the device reports valid coordinates

Trip control

Target latitude (optional) Target longitude (optional)

Recording control

Site (data-acquisition location)

Raw MQTT payloads

Last status

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Last telemetry

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Greengrass deployments

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