On Mon, Nov 15, 2010 at 4:19 PM, <fors...@ozonline.com.au> wrote: >> Just make sure you keep in mind the difference between the specification and >> what is likely to be acceptable. One value is better suited to personal >> tinkering, the other to widespread propagation. > > Good point. As background to my questions Turtle Art 103 now supports sensor > input. > http://wiki.sugarlabs.org/go/Activities/TurtleArt/Using_Turtle_Art_Sensors > > As the specification stands, no teacher is going to conduct science > experiments with external voltages. If the specification is changed to +-9v > then they will have the confidence to conduct experiments with caution.
Why not use 1.5V alkaline cells? Or measure voltage from a lemon battery? I can think of any number of safe experiments. --scott -- ( http://cscott.net/ ) _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
