Shelly Plus Uni
£19.29
Shelly Plus Uni is a low-voltage automation and monitoring module for retrofitting older appliances and metering equipment. With two digital and one analogue input, it supports 1-Wire temperature sensors and pulse-count reading from energy, gas or water meters, as well as most Arduino-style sensors.
- Works with 8-24V AC, 9-28V DC or 5V DC supplies
- Reads pulse counts from meters with pulse output
- Supports 1-Wire sensors: one DHT22 or up to five DS18B20
- Two digital and one analogue input for sensor wiring
Buy the Shelly Plus Uni online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
Designed for low-voltage systems, this small device offers advanced automation and insightful monitoring. Ideal for a variety of applications, the Shelly Plus Uni unlocks a range of smart possibilities for your home appliances.
Suitable for low-voltage applications, Shelly Plus Uni brings smart functionality to your old appliances. With its new pulse counting feature, you're not just automating – you're getting insightful monitoring of your home’s usage. Designed for durability, its transparent cover offers full protection, ensuring both the device and your home appliances are always safe. Powerful in functionality and adaptable to any setting, Shelly Plus Uni seamlessly integrates into your home, unlocking endless possibilities for smart innovation.
- No hub required! Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants. Use it with Alexa, Home Assistant, or your preferred automation platform
- Suitable for small appliances with low-voltage AC and DC applications (8-24V AC, 9-28V DC, and 5V DC)
- 2 digital, and 1 analog inputs
- Supports 1-Wire sensors (single DHT22 & up to 5 DS18B20)
- Compatible with most Arduino sensors! Use its digital or analog inputs to measure the desired parameters and create complex automation scenes based on the sensor data
- Receive precise data readings from your energy/gas/water meter (or any other meter that supports pulse count readings via external sensors)
- Wi-Fi Range Extender & BLE Gateway
- Extremely fast processor for immediate reaction - ESP32
- Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
Works with 8-24V AC, 9-28V DC or 5V DC supplies
Reads pulse counts from meters with pulse output
Supports 1-Wire sensors: one DHT22 or up to five DS18B20
Two digital and one analogue input for sensor wiring
Where you'd use it
Utility meter pulse reading
Connect the pulse counting input to an existing gas, water or energy meter that has a pulse output, and get usage data into Home Assistant without buying a dedicated smart meter.
Legacy low-voltage appliance control
Bring older 12V or 24V garden lighting, gate motors or low-voltage kit into your smart home, since the Uni is built specifically for 8-24V AC and 9-28V DC ranges rather than mains.
DIY sensor integration
Wire up a DHT22 or DS18B20 temperature sensor, or an Arduino-compatible analogue sensor, to build a custom monitoring point u2014 a greenhouse, a server cupboard, a wine store u2014 that off-the-shelf devices don't cover.
Specification
Connectivity
- Webhooks (URL actions)
- 20 with 5 URLs per hook
- MQTT
- Yes
- WiFi Protocol
- 802.11 b/g/n (2.4 GHz)
- RF band
- 2400-2495 MHz
- Wi-Fi Range (depending on local construction) • up to
- 50m/160ft outdoors • up to 30m/100ft indoors
- Bluetooth Protocol
- 4.2
- Bluetooth Range (depending on local construction) • up to
- 30m/100ft outdoors • up to 10m/33ft indoors
Physical & Build
- (H x W x L)
- 40 x 21 x 7 ±0.5 mm 1.57 x 0.83 x 0.28 ±0.02 in
Environmental
- Humidity
- 30% to 70% RH
Power & Electrical
- Power supply
- • 8-24V AC • 9-28V DC • 5V DC (stabilized, via +5 VDC and GND)
- Max switching voltage
- 30V
- Power consumption < 1W
- Digital inputs triggering voltage
- 1.5V (active low level)
- Pulse counter input triggering voltage
- 1.5V (active low level)
Other
- Max switching current
- 250mA
- Ambient temperature
- -20°C to 40°C / -4°F to 104°F
- Digital inputs resistance
- 50 kΩ
- 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
- Schedules
- 20
- Scripting
- Yes
- Max. RF power < 20dBm
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