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COAP endpoints on IKEA Trådfri

So, I’m talking to the Trådfri GW. It turns out that my initial research was correct. It is talking coaps. I used californium.tools/ to talk to it, requesting coaps://10.0.3.25/.well-known/core. It actually seems to implement the standard rather well 🙂 I had to use -psk and enter the security key, printed on a label under the […]

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Ikea Trådfri zigbee lights

So, Ikea has released Trådfri seemingly worldwide. This is a series of Zigbee enabled lights, which looks quite neat. I bought the starter kit, with a gateway, two bulbs, and a remote control. First a couple of sentences about the remote control. It has on/off, dim up and down, and change color temperature. Nothing too […]

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Installing Debian on x86 readyNAS.

The Netgear readynas is essentially a x86 computer, with a handy Serial TTL interface at the back. However, it’s not entirely straight forward. Unetbootin-created usb-media did not boot, but the debian netboot iso appears to boot. However, it doesn’t support serial console out of the box. After remastering the netboot image with settings for console, […]

Raspberry Pi as cheap media player.

As you may’ve guessed from some previous blog posts, I have been expirementing with Raspberry Pi as media player. The setup was not entirely straight forward, as it was to be located at my girlfriends place, with access to the media I have at home. I was looking at OpenVPN as solution, tying the networks […]

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Xbian vs. Raspbmc

I’ve recently tested Xbian and Raspbmc. Xbian seems to be based of raspbmc, with a few changes, for example a quite sleek setup plugin. Raspbmc, in turn, are based on Debian, the well known Linux-distro, with apt and all the snacks. Both are painless to setup, and works quite fine for playing media files. However, […]

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The M570 Trackball

The Logitech M570 trackball is good. If I use a normal mouse, I’ll get a stiff shoulder after a couple of days. What I can use is an clitoris or trackball. My x220 has a clitoris, which I don’t like in games. The trackball, however, works fine in openTTD. I’ve used various trackballs before, but […]

Cryptocurrencies?

Ok, so we have a couple of cryptocurrencies out there, bitcoin, litecoin and so on. I had a look, trying to buy some litecoins, but was utterly turned away by the hoops I have to jump…: First transfer money in EUR/USD/RUR or other national valuates. Buy the coins. Send them. In addition, the credit card […]

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chdk – again.

Once again, I’ve gotten myself a Canon compact camera that can run CHDK. Apart from some minor details, it works great. One of the stupid things is that the lens does not come out automagically when turning on camera with CHDK activated. I need to do a half press of the shutter first… OK, I […]

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Quick and dirty download proxy

fget is a small, quick and dirty download proxy in php and python, to be used on a webserver to allow it to download files to the webserver, and allow access to them. Written for personal use when travelling, and on various bad links. License? Buy me a beer next time you see me if […]

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Android + webdav

Being a geek, the opportunity to upload pictures straight from my cell phone (Android) to the web is a nice feature. I could of course use Dropbox or a similar solution, but that is boring, and I don’t get to decide the URL… So welcome WebDAV. Finding a good webdav client for Android took me […]