The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another cheap appliance, you might think, were it not that the display is a white LED matrix. Best of all, with three VK1640 LED controllers, it has hacking potential. You’re in at the ground floor if you hack one of these, but so far we’ve seen a post from the RevSpace hackerspace in the Netherlands, and the first glimmerings of a firmware on GitHub from [VIPnytt].
We have one on the bench here, and cracking it open we find the three LED drivers, an unidentified microcontroller with a 32.768 kHz watch crystal, and a mystery chip nobody’s yet identified that may either be some kind of I2C multiplexer or have something to do with those sensors. Neither has any markings, so no help there. The hackability comes in the relative ease of desoldering the microcontroller and substituting your own. In which case with access to I2C and the LED drivers, you can make it do your bidding.
This thing is part of a rich tradition of hacking IKEA products. Perhaps one of our favorites is the use of bowls from the Swedish furniture giant to make a telescope mount.
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This articles is written by : Nermeen Nabil Khear Abdelmalak
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