Shelly Plus Add-on
🔧 Key Features
- Galvanically isolated sensor interface: Ensures safe connection of external sensors without electrical interference
- Compatibility: Works with Shelly Plus relays, Gen3, and Gen4 devices
- Sensor support:
Temperature sensors (e.g., DS18B20)
Humidity sensors
Analog and digital sensors (motion, door contacts, float switches, toggle switches)
Compatible with most Arduino sensors
- Automation expansion: Enables Shelly relays to monitor external signals and trigger automations (e.g., lights on when motion detected, alerts when water level changes)
🔍 Smart hint
- Use in smart agriculture to monitor irrigation systems or soil sensors across large fields.
- Automate street lighting or remote facility management where Wi-Fi or LAN is unavailable.
- Pair two devices (one as sender, one as receiver) for synchronized actions like relay switching
⚠️ Warnings
- Think of it as “extra eyes” for your Shelly relay — it lets the relay respond to external events like doors opening or motion detection
- Pair with Home Assistant or other controllers to feed sensor data into broader automation systems
- Future-proof integration: Works across multiple Shelly generations (Plus, Gen3, Gen4)
- Perfect for DIY projects: Since it supports Arduino sensors, hobbyists can expand Shelly’s functionality creatively
📦 What’s Included
- Shelly Plus Add-on module
- Setup documentation/manual
| Brand: Shelly |
| Manufacturer: Shelly |