I have a picoboard and 20 computers
it can work fine in ten computers,but in other computer can not work fine.
I search some of informations to slave this problem,but no effect
so I want someboday can help me.

thanks a lot

oh but i can do this

when green flag clicked
forever
say [hello]
play sound [havana v]
end

Are some of the computers old, or can't connect to wedo ordinarily?