25th-Oct-24, 05:41 PM
Now some thinking aloud…
I tried to make the display pcb as small as possible with the result that it measures 14.5mm x 12.5mm.
This includes the two display modules on one side and the driver chip (ATtiny3226), bias resistors, 6 way FFC socket and six separate solder points on the other side.
The result is a small board which fits nicely behind the windscreen.
But how should it be firmly attached to the body-shell?
My thinking is maybe a second pcb with no electronic circuitry what-so-ever… instead, six solder points in a row that mate up with the six solder points on the display board. Joining wire can then form a rigid but adjustable hinge. After adjustment to the correct angle the secondary board can the be hot glued onto the underside of the vehicle roof.
A ‘two board’ solution might work nicely!
c
I tried to make the display pcb as small as possible with the result that it measures 14.5mm x 12.5mm.
This includes the two display modules on one side and the driver chip (ATtiny3226), bias resistors, 6 way FFC socket and six separate solder points on the other side.
The result is a small board which fits nicely behind the windscreen.
But how should it be firmly attached to the body-shell?
My thinking is maybe a second pcb with no electronic circuitry what-so-ever… instead, six solder points in a row that mate up with the six solder points on the display board. Joining wire can then form a rigid but adjustable hinge. After adjustment to the correct angle the secondary board can the be hot glued onto the underside of the vehicle roof.
A ‘two board’ solution might work nicely!
c

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