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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 23:19, 8 November 2010
, 23:19, 8 November 2010→Door bell / Burglar alarm
[[File:2tone python.jpg]]
[[File:2tone python.jpg]]
How it works: the 1000 and 1100 blocks are input x in the Python code. The -f option in speaker-test is the frequency, {0} gets replaced by x which in turn are replaced by 1000 or 1100 so speakertest is sent either -f 1000 or -f 1100 giving frequencies of 1000 Hz or 1100 Hz.
==Links==
==Links==