COAP endpoints on IKEA Trådfri

Written by vidarlo on 20170401 in english and hardware and software with 18 comments.

So, I’m talking to the Trådfri GW. It turns out that my initial research was correct. It is talking coaps. I used to talk to it, requesting coaps:// 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 […]

Ikea Trådfri zigbee lights

Written by vidarlo on 20170331 in english and hardware and software with one comment.

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 […]

Viktige nettverksprotokoller.

Written by vidarlo on 20080426 in Norsk and software and tutorials with 2 comments.

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 😉

Intro om nettverk.

Written by vidarlo on 20080420 in Norsk and tutorials with no comments.

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. […]