Adventures with ultra-cheap ZigBee lightbulbs


3 light bulbs. One is red, one green, one blue.

The people who built my kitchen were idiots. They designed it to be lit with a dozen recessed GU10 spotlights. That's not so terrible - GU10 LED bulbs are only about £1 each - but because I am a bigger idiot, I decided I wanted remote-controlled bulbs. And ZigBee bulbs are expensive! Five years ago, feeling flush with cash, I replaced all the bulbs with a mixture of Hue and Innr Smart bulbs. Last week, two of the bulbs died. No explosions or release of magic smoke - they just became …

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The Fediverse of Things


Binary code displayed on a screen.

One of the most frustrating things in modern technology is the effort spent trying to artificially restrict abundance. Take, for example, this tale from museum-worker Aaron Cope: I was out with a friend who worked for Twitter and I asked them whether it would be possible for the museum to “create 200,000 Twitter accounts, one for each object in the Cooper Hewitt’s collection”. My friend looked at me for a moment, laughed, and then simply said: No. In that blog post, Aaron reveals that the…

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Receive push notifications from your rice cooker


Android alert telling me that the rice is ready.

I have a lovely, and reasonably priced, Mini Panda Rice Cooker. It does not have any SmartHome features. You put in water and rice, press a button, it cooks rice. Nice! The only problem is - I don't know how long the rice will take to cook. It uses "Fuzzy Logic" to work out exactly how much heat and time is needed for perfect fluffy rice. This is inconvenient. I cannot always hear the beep the machine makes when it completes its culinary wizardry. So let's hook it up to the Internet of…

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Review: Matter-enabled Energy Monitoring Smart Plugs - Meross 315


Two plugs side by side.

Matter is coming to fix all your smarthome woes! A single IoT standard, working across multiple radio protocols, bringing together different products from many different manufacturers. And… it works! Mostly These are the Meross 315 Smart Plugs. They are small(ish), cheap(ish), and easy(ish) to use. As soon as I plugged them in, before even configuring them, my home went crazy. I got a pop-up on my phone asking if I wanted to control them with Google Home. Nope! I then immediately got a…

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Actually, I *do* want IoT kitchen gadgets


Photo of a fridge with a circuit board and sensors plugged into it.

There's a popular meme that Internet connected domestic appliances are a useless fad that no-one wants. I disagree. Obviously, a crappy oven with an app that upsells you cleaning products is a bit shit. As is a dishwasher that borks on firmware update and lets itself be hacked by the Eurasians. But those are just a symptom of profit-led development rather than placing a priority on user-needs. Several years ago, I built an Internet Connected Fridge. This didn't have a touchscreen with a…

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Why are there no PowerLine Smart Plugs?


A plug in unit with two ethernet ports.

Another blog post which is a long and complex search query. I have a bunch of smart plugs. Some use WiFi, some use Zigbee, some use Bluetooth. None of them use PowerLine Ethernet. Why is that? I have a bunch of PowerLine Ethernet adapters. They let me use my home's electrical wiring as a network. They also let me plug electrical items into them. But none of them can be controlled remotely. Why is that? I want to take one of these: And mix it up with one of these: That way I'd be able to…

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My Underkill Home Network


A complex graph with dozens of devices connected by a tangle of coloured lines.

There's an absolutely delightfully bonkers post doing the rounds called "My Overkill Home Network" - which is a look into what happens when a computer geek goes feral and stuffs as many Internet connected thingamajigs in a living space. We're talking professional grade, rack mounted, doubly redundant, over-specced, equipment. Overkill is underselling it. I wondered how my home network looked in comparison. A few years ago I was complaining that routers which limit users to 128 WiFi devices…

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Zero Interfaces


R2D2 interfaceing with the Death Star.

The best gadget I got in lockdown was a set of motion activated lights. They have no user interface. I walk by them in the dark and they turn on. Midnight piss? No fumbling for a light switch, no shouting to a digital assistant, no logging in to an app. Simple. I love it. It got me thinking about other things which have "zero interfaces". Once they're set up, they just keep quietly working. The most obvious is a thermostat. If set right, it keeps the heating off in summer and on in winter. …

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Adventures in home automation - Home Assistant on a Raspberry Pi 2


Screenshot of a website with loads of toggle switches.

They say that The Best Camera Is The One That's With You - the same is true of Raspberries Pi. As much as I'd love a 4B, they seem permanently sold out. So I dug through my scrapheap of old tech and resurrected an ancient Pi2. It's old, outdated, slow, with limited RAM, and has a bunch of much-abused GPIO pins. But it works and - crucially - is still supported by Home Assistant OS. Well... ish! The official Home Assistant installation guide for the Pi says that you can use a: Raspberry…

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Lessons learned from a power-cut


Photo of an MCB - a small electrical switch. It is in the off position.

The first indication I had that anything was wrong at home was my solar panels's cloud service casually emailing me to say they hadn't generated any electricity that day. We were on holiday - literally on the other side of the planet - and there were reports of snow at home, so I didn't think anything of it. But the same thing happened the next day. And our alarm system app started complaining that it couldn't reach our home network. Nor could our security camera app, heating app, and…

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Gadget Review: Yet another WiFi enabled smoke alarm


A small smoke alarm in the palm of someone's hand.

After reviewing the X-Sense Home Security Kit, I decided to also review their wireless smoke alarms. As I said at the time, the interlinked alarms were great - but didn't connect to the hub. That means you have to be physically present in the home in order to hear the alarm. Well, X-Sense were listening! They've sent me the X-Sense Mini - it's a WiFi smoke alarm which integrates with the X-Sense app. That means that your phone receives a push notification when it is triggered. It connects…

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Inside a smart Infrared heater


A circuit board with springs.

I've been experimenting with Far Infrared heating. The panel itself is fairly boring technology. A large solid-state "thing" which turns electricity into Infrared energy. But what's the "smarts" in it which allows it to be controlled? TO THE SCREWDRIVERS, ROBIN! There's a single board hiding in the boring grey shell. It's a QNQ010W - which doesn't have any publicly available data. KB-5150 appears to be a popular name of a variety of power supply boards. Flip it over, and this is what we…

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