Author: robert lewis

  • Resistor Coding

    Resistor Coding

    Here are the results from yesterday’s “pagoda” activity: We know what percentages are. Now, we will apply percentages to a common application in the trades: tolerance. When you buy a box of nails that says it has 200 in the box, and it actually has 201 or 199 nails, the tolerance is ±1 nail. For…