Asked
— Edited
Sharp IR Radar
— Radar-style Sharp IR scanner for EZB ADC: sweeps sensor, displays distance dots, logs ADC voltage, and can steer/avoid obstacles via Movement Panel
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The error is correct - the variable is not defined. Please read the entire error, not just the first three words.
Define a variable such as...
Perhaps begin with RoboScratch, then try blockly, and eventually move to EZ-Script to learn what a variable is.
ah thanks dj.