# configurationbock ultrasonic for calliope Pin is **[A1, 1]** Pin should be **[A1, 5]** Pic 1  # configurationsblock colourtcs3472 for calliope Pin is **[A0, A0]** Pin should be **[A0, 4]** Pic 2  # Picture of the pin mapping for calliope  ## The Problem is that the pin overlap checker for calliope can't check these two blocks properly which can lead to buggy code