Shelly PLUS UNI WiFi Universal IO Module

The Shelly Plus UNI is a compact Wi-Fi and Bluetooth smart automation controller designed for low-voltage monitoring and control applications. Featuring multiple digital and analog inputs, pulse counting functionality, and dual solid-state outputs, it allows existing devices and systems to be integrated into a smart home or building automation environment. Ideal for utility monitoring, alarm systems, HVAC equipment, garage doors, sensors, and custom IoT projects, the Shelly Plus UNI provides local and cloud-based control without requiring a hub. Its ultra-small form factor makes it easy to install in space-constrained applications while providing advanced automation capabilities through scripting, MQTT, webhooks, and REST API support. Key Features Wi-Fi and Bluetooth connectivity No hub required Two solid-state dry-contact outputs Two digital inputs One analog input Pulse counter input for utility meter monitoring Supports DS18B20 temperature sensors Supports DHT22 temperature and humidity sensors Local web interface for configuration and control MQTT, REST API, Webhooks, and WebSocket support Advanced scripting and automation capabilities Cloud and local operation Compatible with Home Assistant and other automation platforms Compact design for retrofit and OEM installations Specifications Connectivity Wi-Fi 802.11 b/g/n Bluetooth 4.2 Inputs 2 Digital Inputs 1 Analog Input 1 Pulse Counter Input Outputs 2 Solid-State Dry Contact Outputs Power Supply 5V DC 9-28V DC 8-24V AC Supported Sensors DS18B20 Temperature Sensor DHT22 Temperature and Humidity Sensor Operating Temperature -20°C to 40°C Processor ESP32 Dimensions 40 x 21 x 7 mm