name: iot
description: Create IoT architecture diagrams using PlantUML syntax with device and sensor stencil icons. Best for smart home, industrial IoT (IIoT), fleet management, edge computing, and sensor network layouts.
metadata:
author: IoT diagrams are powered by Markdown Viewer — the best multi-platform Markdown extension (Chrome/Edge/Firefox/VS Code) with diagrams, formulas, and one-click Word export. Learn more at https://docu.md
IoT Architecture Diagram Generator
Quick Start: Select device/sensor icons → Place edge gateways → Connect to cloud services → Group into zones → Wrap in ```plantuml fence.
⚠️ IMPORTANT: Always use ```plantuml or ```puml code fence. NEVER use ```text — it will NOT render as a diagram.
Critical Rules
- Every diagram starts with
@startuml and ends with @enduml
- Use
left to right direction for typical IoT data flows (Device → Edge → Cloud)
- Use
mxgraph.aws4.* stencil syntax for IoT service and device icons
- Default colors are applied automatically — you do NOT need to specify
fillColor or strokeColor
- Use
rectangle "Zone" { ... } or package "Site" { ... } for grouping
- Directed flows use
-->, async/event-driven flows use ..> (dashed)
Full stencil reference: See stencils/README.md for 9500+ available icons.
Mxgraph Stencil Syntax
mxgraph.aws4.<icon> "Label" as <alias>
Core IoT Stencils
| Category |
Stencils |
Purpose |
| IoT Platform |
iot_core, internet_of_things, iot_1click |
Central IoT hub / message broker |
| Edge/Gateway |
greengrass, iot_device_gateway, freertos, iot_expresslink |
Edge computing & device gateway |
| Greengrass |
iot_greengrass_component, iot_greengrass_nucleus, iot_greengrass_stream_manager |
Edge runtime components |
| Device Mgmt |
iot_device_management, iot_device_defender, iot_device_tester, iot_over_the_air_update |
Fleet provisioning, security, OTA |
| Analytics |
iot_analytics, iot_analytics_channel, iot_analytics_pipeline, iot_analytics_dataset, iot_analytics_data_store |
IoT data processing pipeline |
| Events/Rules |
iot_events, iot_device_defender_iot_device_jobs |
Event detection & job execution |
| Digital Twin |
iot_twinmaker, iot_sitewise, iot_sitewise_asset, iot_sitewise_asset_model |
Asset modeling & visualization |
| Fleet |
iot_fleetwise, iot_device_management_fleet |
Vehicle & device fleet telemetry |
Device & Sensor Stencils
| Category |
Stencils |
| Sensors |
sensor, iot_thing_temperature_sensor, iot_thing_humidity_sensor, iot_thing_vibration_sensor, iot_thing_temperature_humidity_sensor, iot_thing_temperature_vibration_sensor |
| Actuators |
actuator, iot_thing_relay, iot_thing_stacklight |
| Industrial |
factory, iot_thing_industrial_pc, iot_thing_plc |
| Smart Home |
thermostat, alexa_enabled_device, alexa_smart_home_skill, camera, camera2 |
| Protocols |
mqtt_protocol, iot_lorawan_protocol, iot_greengrass_protocol |
| Boats/Vehicles |
iot_sailboat, iot_fleetwise |
| Robotics |
robomaker, iot_roborunner |
Connection Types
| Syntax |
Meaning |
Use Case |
A --> B |
Solid arrow |
Sync API / data flow |
A ..> B |
Dashed arrow |
Async telemetry / MQTT publish |
A -- B |
Solid line |
Physical / bidirectional link |
A --> B : "label" |
Labeled connection |
Describe protocol or data |
Quick Example
@startuml
left to right direction
rectangle "Factory Floor" {
mxgraph.aws4.sensor "Temp\nSensor" as s1
mxgraph.aws4.iot_thing_plc "PLC" as plc
}
mxgraph.aws4.greengrass "Greengrass\nEdge" as gg
mxgraph.aws4.iot_core "IoT Core" as core
mxgraph.aws4.iot_analytics "IoT\nAnalytics" as analytics
s1 --> gg : MQTT
plc --> gg
gg --> core
core --> analytics
@enduml
IoT Architecture Types
| Type |
Purpose |
Key Stencils |
Example |
| Smart Factory |
Industrial IoT monitoring |
sensor, iot_thing_plc, greengrass, iot_sitewise |
smart-factory.md |
| Smart Home |
Home automation |
thermostat, alexa_enabled_device, camera, iot_core |
smart-home.md |
| Fleet Telemetry |
Vehicle fleet tracking |
iot_fleetwise, iot_core, iot_analytics |
fleet-telemetry.md |
| Edge Computing |
Local processing at edge |
greengrass, freertos, iot_greengrass_component |
edge-computing.md |
| Digital Twin |
Asset modeling & simulation |
iot_twinmaker, iot_sitewise_asset_model, iot_sitewise |
digital-twin.md |
| Sensor Network |
Distributed sensor mesh |
sensor, iot_lorawan_protocol, iot_device_gateway |
sensor-network.md |
| Device Management |
Fleet provisioning & OTA |
iot_device_management, iot_device_defender, iot_over_the_air_update |
device-management.md |
| Robotics |
Robot fleet orchestration |
robomaker, iot_roborunner, greengrass |
robotics.md |