Shelly Plus Add-on

16,07 €

Incl. VAT Shipping calculated at checkout.

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In stock

Shelly Plus Add-on

16,07 €

Incl. VAT Shipping calculated at checkout.

In stock

Galvanically isolated sensor interface compatible with specific Shelly Plus, Gen3 & Gen4 devices..Use it to measure temperature or connect various analog and digital sensors for more advanced automations (e.g. humidity measurement) Also compatible with most Arduino sensors!

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Key Features

Can be used with up to five DS18B20 sensors or one DHT22 sensor
Has an analog and a digital input
DS18B20 - Temperature sensor (up to 5); please choose the product variant with or without (default variant ships without it)
DHT22 sensor- if you want to monitor temperature and humidity

Shelly Plus Add-on

Device identification

Device name: Shelly Plus Add-on

Short description

Shelly Plus Add-on (the Device) is a galvanically isolated sensor interface to the Shelly Plus and Gen3 devices.

Main applications

Residential
MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Agricultural (greenhouses, hotbed, nurseries, ranches, etc. )
Government/municipal
University/college

Future integrations

Google
Amazon
Samsung SmartThings

Device electrical interfaces

Inputs

1 analog input: ANALOG IN
1 digital input: DIGITAL IN

Output

1 reference voltage output: VREF OUT
1 reference voltage through a pull-up resistor output: VREF + R1 OUT
2 ground terminals: GND*

1-Wire interface

3 sensor power supply outputs (connected to the same PCB track): VCC
3 sensor data terminals (connected to the same PCB track): DATA
3 ground terminals: GND*
Connected to the same PCB ground layer.

Add-on interface

Shelly proprietary serial interface to connect to a Shelly Plus device

Supported sensors

Up to 5 DS18B20
Single DHT22
NTC resistors with 10 kΩ nominal resistance and β=4000 K
Photoresistors
PIR sensors
Soil moisture sensors
Ultrasonic proximity sensors
Capacitive liquid level sensors
Sound detectors
Other analog sensors with 0 to 10 V output voltage

Specifications

Type	Value
Physical
Size (HxWxD):	37x42x15 ±0.5 mm / 1.46 x 1.65 x 0.59 ±0.02 in
Weigh:	105 g / 3.70 oz
Shell material:	Plastic
Screw terminals max torque:	0.1 Nm / 0.89 lbIn
Conductor cross section:	max. 1 mm² / 17 AWG
Conductor stripped length:	4.5 mm / 0.18 in
Color:	Black
Environmental
Ambient temperature:	-20 °C to 40 °C / -5 °F to 105 °F
Humidity	30 % to 70 % RH
Max. altitude	2000 m / 6562 ft
Electrical
Power supply voltage AC:	N/A
Power supply voltage DC:	3.3 V (from Shelly plus device)
Power consumption:	< 0.5 W (without sensors)
Output circuits ratings
VCC max. current:	10 mA
VREF OUT max. current:	1 mA
VREF+R1 OUT resistor	10 kΩ
Shelly Plus device firmware capabilities
Shelly Plus Addon supporting devices:	Shelly Plus devices: Shelly Plus 1 Shelly Plus 1PM Shelly Plus 1 UL Shelly Plus 1PM UL Shelly Plus 2PM Shelly Plus 2PM UL Shelly Plus i4 Shelly Plus i4DC Shelly Plus 0-10V Dimmer PM Shelly Plus RGBW PM
	Shelly Gen3 devices: Shelly 1 Gen3 Shelly 1PM Gen3 Shelly 2PM Gen3 Shelly Shutter Shelly i4 Gen3 Shelly DALI Dimmer Gen3 Shelly Dimmer 0/1-10V PM Gen3 Shelly EM Gen3
	Shelly Gen4 devices: Shelly 1 Gen4 Shelly 1PM Gen4 Shelly 2PM Gen4
Temperature reading:	Depends on the DS18B20 or DHT22 sensors
Humidity reading:	Depends on the DHT22 sensor
Digital input:	-15 V to 0.5 V (True) / 2.5 V to 15 V (False)*
Analog input range:	0 to 100%
Analog input report threshold:	1%**
Voltmeter range:	0 to 10 V
Voltmeter report threshold:	0.1 V**
Analog input / Voltmeter accuracy	Better than ±5%

* Logic can be inverted in the digital input settings
** Can be configured in the analog input / voltmeter settings

Basic wiring diagrams

Shelly Plus Add-on 1-Wire wiring diagrams

Shelly Plus Add-on analog input wiring diagrams

Legend

Terminals		External sensor pins
VCC	Sensor power supply terminals	VCC/VDD	Sensor power supply pins
DATA	1-wire data terminals	DATA/DQ	Sensor data pins
GND	Ground terminals	GND	Ground pins
ANALOG IN	Analog input
DIGITAL IN	Digital input
VREF OUT	Reference voltage output
VREF+R1 OUT	Reference voltage through a pull-up resistor* output
*For passive devices that need it to form a voltage divider.

Troubleshooting

...

Components and APIs

Printed user guide

Compliance

Installation guides

FAQ

What are the differences between the different generations of Shelly products?

Each new generation adds more power, memory, and features:

Gen 1 offers basic control;

Gen 2 (Plus Series, Mini Series, Pro Series) adds Bluetooth, scripting, and better security;

Gen 3 improves performance, adds Matter (starting from firmware version 1.6.0 or newer) and advanced monitoring;

Gen 4 offers multi-protocol connectivity, featuring Wi-Fi 6, Bluetooth, Zigbee, and Matter.

Learn more: https://support.shelly.cloud/en/support/solutions/articles/103000316073-comparison-of-shelly-gen-1-gen-2-and-gen-3-devices?fbclid=IwY2xjawJHTR9leHRuA2FlbQIxMAABHaBfrCc1-eqoghqxTVUgn7QBaaqTBKa_dZyem_FbH6z6WrlrHbWo0p_OTg_aem_ltK1ZvtsjkrpzXAFx7uvhQ

Is it possible to use the device without a hub?

Yes, Shelly devices (except for Wave devices) operate independently without the need for a hub. They connect directly to your Wi-Fi network, and you can control them via the Shelly Smart Control app, web interface, or through integrations with platforms like Google Home, Alexa, Home Assistant and Samsung SmartThings.

Knowledge Base

EU Data act‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

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Solutions

Shelly Plus Add-on

Motion-controlled lights

Shelly Plus Add-on can also be connected to a PIR sensor to light up rooms that you occasionally use around the house. This way, when you enter the room, the light will come on for as long as you need it to.

Irrigation only when needed

Having a beautiful garden is not an easy task and automating your irrigation system can save you time and optimize your costs. Together with a soil moisture sensor, Shelly Plus Add-on can trigger Shelly Plus 1 to turn on the irrigation only when necessary, always skipping the rainy days.

Shelly Plus 1

Discontinued

An awning that follows the weather

Outdoor motorized awnings offer pleasant shade for your guests on sunny days. However, a strong, unexcepted wind can damage them beyond repair. By combining it with a wind sensor connected to the Shelly Plus AddOn, Shelly Plus 2PM can automatically close the outside awning to protect them from the wind. Additionally, Shelly Plus Add-on with a rain sensor can trigger Shelly Plus 2PM to open the awning just in time to protect your guests.

Shelly Plus 2PM

Discontinued

Control your lights based on luminosity

Together with an LDR (photoresistor), Shelly Plus Add-on can trigger Shelly Plus 2PM to open the blinds when the room is too dark and it's still daytime. Additionally, when luminosity is low, Shelly Plus Add-on can trigger Shelly Plus 1 to turn on the lights at just the right time.

Shelly Plus 2PM

Discontinued

Always informed

Using Shelly Plus Add-on and two DS18B20 sensors, you can easily measure the precise temperature inside your aquarium, as well as the room temperature. Based on this data, you can maintain a comfortable and healthy environment for your pets. Additionally, you can connect a liquid level sensor to the Add-on, and always be sure that the water level is at its optimal level.

Shelly Plus 1PM

Discontinued

Garage door position

You can connect a reed-switch sensor to Shelly Plus Addon's digital sensor and follow the state of your garage door. This way, you will always know whether it is open or closed when you're away and take appropriate action.

Shelly Plus 1

Discontinued

why shelly plus add-on?

Measure and control with precision

Shelly Plus Add-on is a galvanically isolated sensor interface compatible with specific Shelly Plus, Gen3 & Gen4 devices.
Use it to measure temperature and humidity using its 1-Wire terminals, or connect various analog and digital sensors for complex automation and higher efficiency.