The Shelly Plus Uni is a versatile, smart Wi-Fi-operated module designed for low-voltage systems, offering advanced automation and monitoring for various applications. This compact device unlocks a range of smart possibilities for home appliances without the need for a hub.

Key Features:

• Easy Control: Operates through the Shelly Smart Control app, most platforms, protocols, and voice assistants like Alexa and Home Assistant.
• Low-Voltage Compatibility: Suitable for small appliances with 8-24 VAC, 9-28 VDC, and 5 VDC applications.
• Versatile Inputs: Two digital and one analog input, supporting 1-Wire sensors and compatible with most Arduino sensors.
• Advanced Connectivity: Functions as a Wi-Fi Range Extender and BLE Gateway, supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, and custom certificates.
• Fast Processor: Features an ESP32 processor for immediate reaction.

Technical Specifications:

• Dimensions (LxWxH): 37x42x16 mm (without the cables)
• Weight: 8.5 g
• Ambient Temperature: -20 °C to 40 °C
• Humidity: 30% to 70% RH
• Power Supply: 8-24 VAC / 9-28 VDC / 5 VDC (stabilized, via +5 VDC and GND)
• Power Consumption: < 1 W
• Digital Inputs Resistance: 50 kΩ
• Max Switching Voltage: 30 V
• Max Switching Current: 250 mA
• Voltmeter: 0-15 VDC / 0-30 VDC (Two-range)
• Pulse Counter Max Frequency: 1 kHz
• External Sensors Supported: Single DHT22 or up to five DS18B20
• RF Band: 2400 - 2495 MHz
• Max. RF Power: < 20 dBm
• Wi-Fi Protocol: 802.11 b/g/n
• Wi-Fi Operational Range: Up to 50 m outdoors, up to 30 m indoors
• Bluetooth Protocol: 4.2
• Bluetooth Operational Range: Up to 30 m outdoors, up to 10 m indoors
• CPU: ESP32
• Flash: 4 MB
• Schedules: 20
• Webhooks (URL Actions): 20 with 5 URLs per hook
• Scripting: Yes
• MQTT: Yes