sonoff WiFi relays

The sonoff WiFi relays have arrived.  I ended up buying ten of them and 3 motion sensors.  My first impression is that they’re tiny and solid.  They’re much smaller than I thought, which is a good thing!  The case they come in is perfect for mounting inline with something and neatly hides the exposed wires.  For comparison, you can see my old LG G4 phone next to it.

sonoff-1On the inside

On the inside, they look pretty good.  The soldering is done well and the gaps between the mains traces is reassuring.  As you can also see from the picture below there are a few header pins.  These are the programming pins.  Itead has been nice enough to breakout the programming pins into headers to make it easier to reprogram with your own code.

sonoff-2

 

Reliability

I’ve currently had one set up on my desk lamp for the last couple of days.  It has been rock solid and hasn’t experienced any drop outs or glitches.  This was running their stock firmware which allowed me to connect it to their app.  Although I have no intention of continuing to use their app it is miles ahead of the Belkin system.  For example, switching it on or off happens via the internet almost instantaneously.  However the Belkin’s system sometimes takes 10 seconds!

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