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Hello, we are Shelly – one of the fastest-growing EU-based IoT brands. For us, it’s not about the size of your cart, it’s about helping you live smarter and better.
We offer…
Multi-protocol ConnectivityOpen and Flexible EcosystemNo Hub Needed! Local and Remote controlFree Shelly App (+ Premium for advanced features)Products tailored to fit US standards and dedicated local team
Smart Switches and Dimmers
Smart Plugs and Sensors
Energy Meters
Accessories
Professional Smart Devices
Language : English
Product Dimensions : 1.46 x 1.65 x 1.46 inches; 0.46 ounces
Item model number : 3800235266427
Date First Available : May 18, 2023
Manufacturer : Allterco Robotics EOOD
ASIN : B0BRBMKB53
Best Sellers Rank: #25,241 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #19 in Automatic Irrigation Controllers
Customer Reviews: 4.7 4.7 out of 5 stars 1,274 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Shelly Plus Add-On is a Wi-Fi gadget for all your Shelly Plus devices, Can be used with up to five DS18B20 (temperature) sensors or one DHT22 (humidity) sensor, the device has an analog and a digital input and is compatible with most Arduino sensors.
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.
Control All Your Shelly Plus Devices – Using the Shelly Plus Add-on and two DS18B20 sensors, you can easily measure the precise temperature inside your aquarium. Shelly Plus Add-on with a rain sensor can trigger Shelly Plus 2PM to open the awning just in time to protect your guests and many other combinations that can make you comfortable at your home.
Shelly Customer Service – Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 3 years device warranty.
Shelly Smart Control App will help you control your Shelly devices remotely and will send notifications for all automated events in your home. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your home automation.
Joe G –
Easy Smart Thermostat Alternative For Any DIY Enthusiast
I’ve been using Shelly devices for several years and have been consistently impressed. These add-ons are fantastic! I have one currently controlling my 240V, 3000W electric space heater. It’s configured with one leg of the 240V connection (at 120V) running through the relay, which also powers the Shelly 1. This add-on is connected to a standard DS18B20 temperature probe. Using Shelly’s virtual thermostat feature with this add-on, I can precisely control my shop’s temperature from anywhere with an internet connection via the Shelly app.I also have another one of these units controlling an exhaust fan in a grow room, connected to a DHT20 temperature and humidity sensor. Both add-ons have been working flawlessly. You can use these devices with a variety of sensors, including soil temperature/moisture sensors, and they can be powered by DC as well. This adds tremendous value to Shelly Plus devices!I highly recommend these add-ons for any home automation project. They are easy to configure and use. In the future, I plan to add a display unit and an OpenHab server to create custom widgets showing the temperature and other metrics all in a nice wall display.
Steve O –
Shelly Ecosystem is great in Home Assistant
I really like the Shelly Addon. In my case I am doing something very specific, I am using the addon out doors to monitor the temp of animal waterers. I *could* have built this sensor myself but given the fact that it has a case, and hooks right into the shelly plus devices, this was definitely the way to go over DIY. Sure I could have done it cheaper, but at the end of the day, the temperature rating for these devices and the whole package were a big part of the reason I bought these.Works great with Home Assistant. I don’t use the Shelly cloud. I used to flash Shelly devices with Tasmota, but recently the Shelly firmware has gotten quite good and the updates for the firmware show up in the HA dashboard which is a big plus.The add on has a limited number of sensors that it supports so its not perfect, but it fit my usecase perfectly
drb –
It just works out of the box
After struggling with ESP32s, I bought this which I was able to get working very easily. It was well documented.
mrfixit of butler –
Great little devices!
Absolutely great devices.I have been doing automation for years in industry and at home automation. I have never seen such friendly devices easily connected, configured and integrated. Love them.
Rennie LeRoy –
Finally I found you.
What a nice idea. Finally an inexpensive way to connect hardwired sensors without having to use the Konnected alarm panel. These are expensive enough to get several and add sensors. Works in Home Assistant.
Gary –
Add-on
A must to get indicators easy to snap on and use
Shawn A. –
A nice addon.
I like this unit. I wish there was a flowsensor addon as well.
Dave L –
Works well
Shelly products just work. No muss, no fuss.
Cliente Amazon –
Perfecto para el proyecto
TM –
Parfait pour en complément d’un Shelly plus 1pm
un-impressed –
Fantastic add on to a Shelly one.Used it for monitoring the temperature on my boilers flow and return pipes. With an additional device in the pump cupboard I can see the heat loss on the pipes from the boiler to the pump and back to the boiler.I’ve not got a condensing boiler so the return temperature is not critical, but when I have to replace my old boiler I should be able to predict what flow temperature I can run and I can see the impact of inculcation on my pipe work.
Massimiliano –
Perfettamente funzionante, il miglior prodotto per la domotica non professionale. Usato per monitorare apertura e chiusura della basculante, non perde mai un colpo.
Gerhard –
Works exactly as advertised