Category Archives: Power Meter for NXT

Fast Resistor Sorting with LEGO

Still got that container on the bench with a pile of unsorted resistors left over from projects, or perhaps have purchased a mixed-lot of assorted resistors to begin with. Resistors have colour bands printed on them, rather than numeric values, which makes them more difficult to sort in you don’t know the resistor colour-code of pat (if they still teach it?). Or like me your eyes ain’t what they used to be! Either that a 1/4 watt resistor has shrank by a factor of 4+ in the last 30 years or so….

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