I have a servo base robot arm driven by an arduino uno. between my inputs from an remote control and outputs to the servos, i am using 12 of the 14 digital pins. I would like some sort of display for some basic information such as current battery voltage and maybe servo position. The problem of cour…

display with few free digital pins

system March 7, 2012, 8:54pm 6

serial would be perfect. thanks. where did you get the $6 one?

-luke