Solve serial connection problem by increasing the frequency at which serial data are read, which enable the arduino not to block
Use serial instead of arduino serial.
Increase the checksertial frequency to avoid arduino buffer overflow.
Was tested with success during more than 10 minutes.
Reorder code
Version used for the demo at LU
Save the image of the selection (to be able to reinitialise later)
Save the image of the selection
Typing error!
Complete rework of the man machine interface