![]() ![]() On the shelly 1 the relay is isolated, it doesn’t just send the 120 or 240V AC through to the output like a sonoff does, the shelly 1 has a relay in and a relay out terminal, meaning you can use this to switch low voltage if you want. And if you’ve ever worked with a sonoff you know those are the 5 pins you need to access in order to flash the ESP8266.īefore we talk about custom firmware, lets look at some of the interesting differences between the hardware of a sonoff and a shelly1. On the back of the shelly 1 is an exposed set of female headers for RX, TX, VCC, Ground and GPIO-zero. The great news is that the shelly 1 is actually made to have it’s firmware changed, and you don’t need to have a 3d printed part or a soldering iron to do it, you don’t even need to open the case (although I did brute force it open in order to satisfy my curiosity about how they fit everything into such a small package, more on that later). I prefer to have complete control over my devices, which means knowing exactly what’s in the firmware’s code. I did monitor the non-cloud enabled shelly’s traffic with wireshark for 24 hours and I didn’t see any outgoing packets, only local multicast requests, so that’s encouraging.īut If you watch this channel, you probably already know that using this app isn’t really an option for my smart home. They have a well documented REST API, so even though a home assistant integration isn’t available yet, it shouldn’t be hard to create one. The app gives you the option to control the device locally, or connect it to the shelly cloud. The app is nice, it has options for scenes, rooms, and schedules and they have a google home and amazon echo skill to enable voice control. You hook it up, open the app, connect to the shelly via it’s broadcasted SSID, and put in your personal wifi information. It behaves pretty much like any other off the shelf smart home product in that regard. The shelly 1 comes with firmware pre-installed to use with the shelly app for iphone and android, and the shelly cloud. ![]() The shelly 1 is about the size of two oreos stacked on top of each other, which allows it to easily hide behind your existing switches. If you’ve ever tried to fit a sonoff basic in a standard switch box, you know that it can’t happen without modification to the casing. My first impression taking it out of the box was that I couldn’t believe how small it was. Lets start out by talking about the completely unmodified stock firmware experience. ![]() I’ve had the Shelly 1 for about a week now and I’ve been putting it through its paces. I told him that I would love to check it out, with the understanding that I would give an unbiased and honest review, and here it is. Does it have the right features to dethrone the sonoff as the go to device for DIY smart home enthusiasts? Lets find out.Ī few weeks ago I was contacted by the CEO of a Bulgarian robotics company called Allterco Robotics, they had just launched a new wifi enabled relay that was designed specifically with makers in mind and he was wondering if I’d like to review it on The Hook Up. Today on the hookup we’re going to take a look at a new product called the Shelly 1 that directly competes with everyone’s favorite $5 smart switch. ![]()
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