Showing all posts tagged piioboard:

737 Overhead Panel I/O Controller - Part 11 - Board Setup

My 737 I/O Controller PCB has arrived!Well to be honest, this is not the first time it has "arrived". But this is the first time that a version of the PCB has arrived which is usable, due to some earlier bugs! 8-) As i noted in my earlier post, here are the specifications: 192 digital switch inputs (expandable to 256) 128 constant current LED outputs, up to 60 mA per channel (expandable to 224)48 digits of 7-segment numeric displays8 characters of 14-segment alphanumeric displays16 servo out...

DIY Boeing 737 Overhead Panel - Part 10 - Rethinking the Overhead Panel + Designing A New I/O Board

My Overhead Panel project has been stagnant for quite a while ... I did not touch it at all throughout 2017. There are the usual excuses (work, other projects, etc) but deep down I believe my lack of enthusiasm was due to the fact that was not happy with the design. Mostly this is a result of overthinking and trying to be "systematic", when for most DIY projects, sometimes it is better to go with a design that is "complex but easy" instead of "simple but tedious", as we are all lazy at hea...