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{ Tag Archives } nettverk

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 TrÃ¥dfri 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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Viktige nettverksprotokoller.

Som ein liten fortsettelse pÃ¥ Intro om nettverk kjem det her ein liten intro om det eg meiner er viktige protokoller… Om folk er einige eller ikkje bryr ikkje meg 😉

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Intro om nettverk.

Ein kort intro om nettverk eg skreiv for nFF. Poster den her ogsÃ¥, for Ã¥ fÃ¥ litt meir poster pÃ¥ denne sida mi… IP-adressa si oppbygning. Ei IP-adresse er et 32-bits tall, det vil sei mellom 0 og 4294967295. For lesbarheta si skuld deler ein dette opp i 4 grupper pÃ¥ 8 bit per gruppe. […]

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