Technical Comparison: Shelly Plus Uni vs. Shelly Uni

Use Case Comparison

Shelly Uni:

• Door lock control: Manage your door lock remotely.
• Small sensor interface: Connect analog and digital sensors to measure and control the environment.
• Doorbell notifications: Get notifications on your smartphone when the doorbell rings.
• Recreational vehicle automation: Perfect for camper automation and battery control.

Shelly Plus Uni:

• Transform manual devices: Turn traditional buttons into smart devices.
• Advanced sensor interface: Connect various sensors to measure temperature, humidity, water levels and more.
• Garage door and gate control: Operate garage doors and gates remotely with real-time notifications.
• Turn meter data into savings: With the pulse counting function, monitor electricity and water usage.

Feature Comparison

Shelly Uni:

• Wi-Fi operated: No hub needed.
• Digital inputs: Supports different voltages.
• Potential-free outputs: Can switch up to 36VDC and 24VAC.
• Wide voltage range: 12V-36VDC and 12V-24VAC.
• Smart scenes: Set up custom scenes with other Shelly devices.
• Endless applications: Door lock control, doorbell notifications, camper automation.

Shelly Plus Uni:

• Wi-Fi and Bluetooth operated: No hub needed.
• Pulse counting: Monitor energy, water and gas usage.
• Sensor interface: Works with analog and digital sensors.
• Dry contacts: Two potential-free outputs that can switch up to 28VDC and 24VAC.
• Accurate voltmeter: Precise voltage measurement in two ranges (0-15VDC, 0-30VDC).
• Scripting support: Customize functionality and local control.

Feature	Shelly Uni	Shelly Plus Uni
AC power	12V – 24V	8-24 VAC
DC power	12V – 36V	9-28 VDC, 5 VDC
Inputs	2 digital inputs	1 analog, 1 pulse counter, 2 digital
Outputs	2 potential-free	2 potential-free solid-state relays
Connectivity	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n, Bluetooth 4.2
Dimensions	20mm x 33mm x 13mm	40mm x 21mm x 7mm
Supported sensors	DS18B20, DHT22	DHT22, up to five DS18B20
Overload protection	No	Yes
Operating temperature	0 to +40 °C	-20 to +40 °C
Pulse counting	No	Yes
Scripting support	No	Yes

Shelly Plus Uni	Shelly Uni
# Turn on the Shelly Plus Uni device curl -X GET "http://192.168.1.101/relay/0/on" # Turn off the Shelly Plus Uni device curl -X GET "http://192.168.1.101/relay/0/off"	# Turn on the Shelly Uni device curl -X GET "http://192.168.1.100/relay/0/on" # Turn off the Shelly Uni device curl -X GET "http://192.168.1.100/relay/0/off"