# Shelly Pro Sensor Add-On 

- Canonical URL: https://www.netxl.com/automate/shelly-pro-sensor-add-on/
- Brand: Shelly
- SKU / part number: SHELLY-PRO-SENSOR-ADD-ON
- EAN (GTIN-13): 3800238073459
- Category: Automate (https://www.netxl.com/automate/)

## Pricing (GBP, guest pricing — trade customers see account pricing via the API)
| Quantity | ex VAT | inc VAT |
| --- | --- | --- |
| 1+ | £33.33 | £39.99 |
| 5+ | £32.18 | £38.62 |
| 10+ | £31.03 | £37.24 |

## Availability and shipping
- Availability: Out of stock
- Shipping: Royal Mail Tracked - Next Working Day — £7.19, 1 working day(s)

## Description

Transform your Shelly Pro devices into a powerful sensor hub with the Shelly Pro Sensor Add-on. This galvanically isolated interface allows you to connect multiple analogue, digital, and 1-Wire sensors for real-time monitoring and advanced automation, offering maximum flexibility for residential and commercial environments.

The Shelly Pro Sensor Add-on is a galvanically isolated interface designed to expand the capabilities of your Shelly Pro series devices. By acting as a versatile sensor hub, it enables real-time environmental monitoring and advanced automation across residential, commercial, and industrial settings.
Equipped with multiple input and output options, this add-on allows you to integrate a wide range of third-party sensors, including those compatible with Arduino. It features two 1-Wire data terminals, two analogue inputs (0-10V), two digital inputs (±15V), and a potential-free solid-state relay output for direct control of external circuits.
Common use cases include:

- Optimising HVAC systems by monitoring temperature and humidity.

- Automating lighting through connected motion detectors.

- Protecting property with water leak and wind sensors.

- Managing smart irrigation based on soil moisture levels.

- Monitoring server rooms or critical infrastructure.

## Key highlights

- Galvanically isolated interface
- Two 1-Wire data terminals
- Two analogue inputs (0-10V)
- Two digital inputs (±15V)
- One potential-free solid-state relay output
- DIN rail mountable
- Compatible with Arduino sensors
- Powered directly by Shelly Pro devices

## Programmatic access

- This page in HTML: append a trailing slash instead of `.md`
- NetXL Customer API (real-time customer pricing, stock, ordering): https://api.netxl.com — OpenAPI at https://api.netxl.com/openapi.yaml
- MCP server for AI agents: https://mcp.netxl.com
- Machine-readable site index: https://www.netxl.com/llms.txt
- API documentation: https://www.netxl.com/api-docs.md