On Friday, June 1, 2018, 12:31:43 AM EDT, AA9GG <paul.aa9gg@...> wrote:
Haven't tried it, but remember that the si part is running at 3v and the display is at 5v.?? Therfore you will need to use 4.7k resistors to pull the SDA and SCL lines to 3v (NOT 5v).? Make sure you remove the pull-ups off of the lcd if they are present and just use the ones in the si circuit.
