SONOFF SNZB-02P Zigbee Temperature and Humidity Sensor, Smart Temperature Sensor with Comfort Alarm, Zigbee Hygrometer Compatible with Alexa/Google Home/HA/IFTTT, Zigbee Hub Required.

For the people saying not worth the money! Read on
This is absolutely worth it’s money!Yes, battery holder could be better but if you just take 1 minute to remove the battery and push the holder down before you Re insert the battery, it’s problem solved. Also, on the windows, usually you can have them slightly open but still locked, you can do this with this sensor however you have to make the magnetic stronger. You can get the dot magnets off amazon, they are very cheap and very strong. Bear in mind that most sensors are like this as the magnets on them aren’t strong enough to be so far apart without triggering. After this, you have a great little zigbee door sensor for a fractikn of the price of most devices. If using smartthings, change the device type to something that runs locally, for example Orvibo Contact Sensor. This does improve things, specially speed.For the “eating battery ones” zigbee is amazing but has its limitations. If it is too far from the hub, it will eat away batteries. If it disconnects, it’s even worse as it keeps trying to find the hub. This can be sorted if you have smartthings by adding repeaters like the Samsung plugs and you have a plus of being able to monitor energy consumption of that plug as well. If using the sonoff Bridge you can, buy a aeotec and swap to smartthings as its much better or just get an extra sonoff Bridge and place them in the right places around the house. I did use the bridge at first and one was enough to give me coverage around the whole house even tho it was placed in my comms cab and dealing with the WiFi interference from all my access points.I have had to replace 3 units, that I had purchased from ebay! They were cheaper and I don’t know why but not the same as the ones here on amazon as I ended up having to replace them all.Today I use them all around my house to control my thermostats, to welcome me home 🙈, turn some lights on, vacuum the entrance when someone comes in and also on my alarm.For their price, at less than 1/3 of the price of most on the market I really don’t understand the complaining.Are there better sensors on the market? Yes, there are, it is up to you if you want to buy the £10 ones or the £30/£40/£50 ones. Sonoff is a great company and produces some great devices at really affordable prices. And as far as simple door sensors go (without vibration and or temperature measurement and or light sensors etc) these are amazing for their price.

Good when it works but randomly stops which is extremely frustrating
So I bought this for one of their SONOFF ZBMINI-L switches for my garage. The goal was to have the switch turn on lights when a motion detector (philips hue indoor) detects motion. It was a massive pain to detect the SONOFF ZBMINI-L but once I got it working Alexa integration was a breeze. The issues started to occur within a matter of days – light not responding, action failed for no reason. I would walk into my garage and the light would stay off..restarting the hub sometimes fixes it but this should not be breaking so easily. I repositioned the hub right beside my garage so there is no issue there and wifi coverage is 2x the size of my house.If it was consistently working 5* but unfortunately it has broken a number of times in the last 60 days so hard to fully recommend because things like this become more frustrating when you know it should be working but isn’t.My solution for now is going to be using a smart plug to reboot the hub once every 12 hours which isn’t how this hub should work but unfortauntely that’s where I am at and with not many other brand providing a netural wire switch like the SONOFF ZBMINI-L I am kind of stuck.*EDIT* the above doesn’t work so downgraded to 1*…this is anti-smart…more hassle than it’s worth and sadly many products operate like this all in the spirit of making money.

Easy to use sensors, but it of course requires a Zigbee gateway. It was very easy to pair with the Sonoff Zigbee dongle through Home Assistant.

Utilizzo il SONOFF Zigbee SNZB-03 per una soluzione un po’ particolare: rilevare quando arriva la posta nella cassetta. Devo dire che è stata una scelta davvero azzeccata. Questo sensore di movimento si è dimostrato preciso, affidabile e perfetto anche per applicazioni alternative come questa.Design compatto e discretoGrazie al suo design minimalista e alle dimensioni ridotte, il sensore si adatta perfettamente alla mia cassetta postale senza essere invadente. È talmente piccolo e leggero che l’ho fissato facilmente con il supporto adesivo incluso, e resta ben saldo anche in uno spazio ristretto.Configurazione facile e immediataCollegarlo al mio hub Homey Pro è stato semplice e veloce. Il sensore è stato rilevato immediatamente e configurato in pochi minuti. È stato davvero soddisfacente vedere quanto sia intuitivo il processo, anche per chi non ha molta dimestichezza con i dispositivi ZigBee.Prestazioni impeccabiliIl sensore rileva con precisione ogni volta che lo sportello della cassetta si apre, inviandomi notifiche in tempo reale sul telefono tramite l’integrazione con Homey Pro. Non ho mai perso una consegna, e la sensibilità del sensore è perfetta per questo tipo di utilizzo.Efficienza energeticaUtilizzando una batteria CR2450, il sensore ha un consumo energetico ridotto, ideale per usi dove il ricambio della batteria deve essere poco frequente. Anche in una posizione come la cassetta postale, non devo preoccuparmi di doverlo sostituire spesso.Rapporto qualità-prezzoPer il prezzo, il SONOFF SNZB-03 è un’ottima soluzione per chi vuole creare automazioni smart o trovare soluzioni creative come la gestione della posta. È economico, funzionale e altamente affidabile.ConclusioneConsiglio vivamente il SONOFF Zigbee SNZB-03 non solo per la domotica tradizionale, ma anche per chi desidera trovare soluzioni smart a problemi quotidiani, come sapere quando arriva la posta. È semplice da usare, preciso e perfetto per applicazioni personalizzate.

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