Shelly Plus Uni Smart Wi-Fi and Bluetooth Operated Module with Dry Contacts Home Automation Compatible with Alexa & Google Home No Hub .

Smart universal module: Brings smart functionality to old appliances and low-voltage applications with remote control from a mobile phone, tablet, PC, or home automation system. No hub required: Connects to Wi-Fi and supports quick inclusion via Bluetooth; can also operate as a Wi-Fi range extender and BLE gateway. Flexible inputs and outputs: Includes two potential-free solid-state relay outputs, two digital inputs, one analog input, one 1-Wire data input, and one pulse counter input. Advanced sensor support: Works with analog and digital sensors, supports a single DHT22 or up to five DS18B20 sensors, and is compatible with most Arduino sensors. Meter and voltage monitoring: Supports pulse counting for energy, gas, or water meter readings, plus voltage measurement in 015 VDC and 030 VDC ranges. Automation-ready: Supports scripting, webhooks, MQTT, Web Socket, HTTPS, UDP, TLS, and custom certificates for advanced local control and automation.