Doing some RF spectrum analyser stuff

Having experienced some major WIFI¬†problems over the years, with the overly crouded 2.4 ISM band. I decided to dust of the good old CC2500 chip, and get it running, properly. The reason for this chip? the 8-bit RSS¬†value you can acquire from it. These day’s, the very cheap NRF24L01+ is rather nice, and cheap, but with a 1bit RSSI ‘threshold’, not very useful for these kind of setups.

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RFExplorer

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Fixing BMW parking sensors

A friend had a noticed that his parking-sensors where no longer working from his BMW 1

After he examined his OBD, he noticed that the parking-sensory board wasn’t working properly (read missing)

Probing the ODB

bmw-not-found

So he searched in the manuals for the parking module. And this is what he found when he accessed the trunk:

 

The trunk, accessing the parking modules
The trunk, accessing the parking modules

It probably should look like a small pool, should it?

mmm... a disturbing amount of water
mmm… a disturbing amount of water

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