The "open hardware" phone project that's had the most interest

[Denis 'GNUtoo' Carikli]

On Sat, 05 Oct 2013 17:24:51 +0200
"Raphael Wimmer" <raphael.wimmer at ifi.lmu.de> wrote:

> * The concept assumes that all components use a common communication  
> backplane. This is not feasible, as a variety of voltages and  
> communication protocols are in use in a typical phone (I2C, SPI,
> UART, USB, various display protocols, etc.). Many components need
> very short connections to the CPU/GPU/whatever without crossing other
> PCB traces. It is not realistic to make this work with a generic
> communication backplane. Proper heat dissipation for CPU/GPU is
> another problem.
Or to use big connectors...that have dedicated pins for all theses
things...like with the bug device 2.0 from buglabs.

Denis.