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IBus messages I make use of are (even if I do not know all of them yet)
- revers on/off (is sent so that sideview mirror knows when to tip..)
- a button on my bordmonitor that I have desided will turn on rearview camera.
- push of left knob on bordmonitor that will turn on and off LCD panel and power amp
- remote key that will start boot of PC when car is opened remotely
If some of these buttons are 'missing' on E36 any button can be used as there are plenty of free io on the board.
One more little thing I might to is to integrate the design with an IBus interface. That will reduce power consumption as there is not need for the RS232 boosters then. (two of them. One on this pcb, and one on the IBus interface) It will reduce size a lot!
Depends a little on if there is interest or not, and if Rolf Resler has the possibility to help out.
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