Shelly Plus Uni, universal module

Shelly Plus Uni – a compact universal module featuring two solid-state relay outputs (dry contacts), a pulse counter, one analog input, two digital inputs; supports Wi-Fi and Bluetooth, includes Web UI, and operates standalone or via cloud.

Features

• Inputs: 1 analog, 2 digital, pulse counter (COUNT IN), 1-Wire (DATA), sensor power output (SENSOR VCC)
• Outputs: 2 potential-free relay outputs (OUT1, OUT2)
• Pulse counting support up to 1 kHz
• Voltmeter with dual ranges (0–15 VDC, 0–30 VDC)
• Wi-Fi 802.11?b/g/n, Bluetooth 4.2 (as Wi-Fi extender/BLE gateway)
• ESP32-U4WDH CPU, Web UI, scripting, Webhooks, MQTT, WebSocket, HTTPS, UDP, TLS with custom certs
• Safety features: PCB conformal coating, LED indicator, Reset button

Primary Uses

• Adding smart control to old appliances (doorbell, intercom, lock)
• Reading utility meter pulses (electricity, gas, water)
• Integrating sensor data (temperature, humidity, etc.)
• Control appliances via relay outputs

Compatibility

• Works with Shelly Smart Control app and cloud
• Integrates with Alexa, Google Home, SmartThings via ecosystem
• Local control via Web UI, scripting, Webhooks, MQTT
• No hub required—works standalone