Terence Eden. He has a beard and is smiling.

Terence Eden’s Blog

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Dude! I'm getting a (Linux) Dell! Maybe...

· 16 comments · 300 words · Viewed ~382 times


Two Dell laptops next to each other.

I need a new laptop. My old one is dying a long, slow death. My requirements are modest - runs Ubuntu and charges via USB-C. Cheap would be a bonus - as would a num-pad - but I'll take what I can get! Loads of people have recommended the Dell XPS13 series. I'm looking at them and I'm a bit confused (so what else is new). I'd appreciate your advice gentle reader. There are two models available. …

Happy Birthday to My Mother - The Monster

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Carrie Cohen covered in blood.

Mums, eh? One minute they're teaching you how to read and write, the next minute you're teaching them how to video call casting directors during quarantine. You see, my mum is an actress. When people ask "what sort" - I could tell them about the award winning short films she has been in. Or the London theatre productions she's starred in. Or the TV commercials you've almost certainly seen. …

Comparing Solar Panel Generation - East/West split

· 19 comments · 350 words · Viewed ~4,215 times


A graph of two solar generators. Both are fairly even.

We have just installed solar panels on our house in London. We also had panels on our old house in Oxford. How do they compare? Oxford London Latitude 51.753738 51.486880 Panel Size 4000 Watts 5040 Watts Orientation South East/West Split Obviously, it's hard to compare exact weather conditions - lower temperature makes for more efficient generation - but…

How to fake Progressive WebP Images

· 9 comments · 550 words · Viewed ~1,925 times


Extremely fuzzy photo.

WebP is the hip new image format on the scene. It offers unrivalled image compression at superior visual quality. But, in my opinion, it is deficient compared to JPG in one significant aspect. It doesn't have a progressive mode. Progressive mode is useful because it can quickly load a low resolution preview of an image, and then gradually improve its quality. WebP, by contrast, just loads up…

Tech Review - Rock Pi S

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Various photos of a tiny computer.

The good folk at Seeed Studio have sent me a Rock Pi S to review. Since the original Raspberry Pi came out, there has been an explosion in Single Board Computers - but this one is special. It is miniscule - almost dominated by the Ethernet port. And the specifications are ridiculously good - considering this thing costs US$10 + postage. 256MB RAM USB-C power Ethernet 26 GPIO pins Another…

Vertical Monitor Review - Iiyama ProLite B2482HS-B1 24"

· 7 comments · 550 words · Viewed ~1,562 times


Vertical Screen showing YouTube.

We're all working from home now, right? I got this specific monitor for two reasons only: It rotates to vertical mode It was within my employer's home working budget There are no integrated USB hubs, no TV tuners, no gaming mode, no 4K, no HDR, no smarts. It is just a screen. That happens to rotate. Tech Specs Gloriously boring. For video, there's an HDMI socket. You also get a legacy VGA…

Who do you think you are kidding, Mr Feynman

· 6 comments · 650 words · Viewed ~4,748 times


La mort, c'est un peu comme la connerie. Le mort, lui, il ne sait pas qu'il est mort. Ce sont les autres qui sont tristes. Le con, c'est pareil.

There are lots of celelbrities and famous academics on Twitter. Then there's Professor Richard Feynman. Who died in 1988. Every so often, one of "his" pearls of wisdom is regurgitated into my Twitter feed. Prof. Feynman@ProfFeynmanWhen you are dead, you don't know you are dead. It's pain only for others.It's the same thing when you are stupid.❤️ 18,772💬 132🔁 013:57 - Sat 22 February 2020 Except…

Relaunching @edent_solar. Part 5 - Getting data out of Fronius Solarweb

· 5 comments · 400 words · Viewed ~679 times


A big grey box with lots of wires coming out of it.

Mostly notes to myself. My solar panels have an open API. But it's only available if I'm on the same network as the Fronius inverter. I can connect my system to https://www.solarweb.com/ so I can access it anywhere in the world - if I have the right password. SolarWeb has an (optional) guest mode. You can view the panels' performance if you know the secret URl. It looks something like this: …

My WFH Set Up

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A corner desk, laptop, chair, vertical monitor and assorted junk.

Inspired by my friend Meri's WFH Setup Tips, I thought I'd share my home-working setup. We've moved house recently, so I'm still finding my feet - but as I work from home fairly often, and have a bit of RSI, I thought I'd show you what I've got and how I use it. The desk is just a plain IKEA table. Supplemented with a cheap Argos desk which didn't quite fit all my kit - so it becomes a side…

Why would I ever leave my house again? (Do I have Stockholm Syndrome?)

· 13 comments · 500 words · Viewed ~702 times


Us outside the opera house.

How are you enjoying lockdown, gang? I think I'm coping well. Perhaps a little too well… I was having virtual-drinks with some friends, when one of them said "How many people just aren't going to want to go back to commuting after this?" I've always been a bit of a homebody. I work from home a few days a week, so the latest shift hasn't been too disruptive. I used to do all my shopping online. …

Hacking your Smart Meter - Part 1 - Zigbee

· 11 comments · 400 words · Viewed ~21,613 times


Zigbee menu items.

I have a new Smart Meter to measure my electricity and gas usage. It's the Honeywell AS302P. It's a SMETS2 meter, which means it has a number of interesting features. ALCS (Auxiliary Load Control Switch) - this means that a car charger can be remotely started and stopped based on network demand. DCC connection - this means it can report back to my energy supplier every 30 minutes, and I can…

Some thoughts on selling electricity back to the grid

· 7 comments · 300 words · Viewed ~445 times


Email from Bulb saying they've set up an export payment.

I have solar panels! The UK mandates that my electricity supplier buys the surplus energy off me. They set a minimum price, known as the SEG (Smart Export Guarantee). My supplier - Bulb - pay me 5.38p for every kWh I export. I pay them about 13p for every kWh I import. You notice the discrepancy? When I tweeted about this, some people got angry on my behalf. How could I stand being ripped off …