Electronics
Simple Resistor Color Code Calculator
This is for 4-color rings resistors, either rated at 5% or 10% tolerance. It will not calculate the precision 5-color bands resistors having a tolerance of 1%.
The color ring for tolerance, which is the fourth one, either gold or silver colored, is ignored here since it is not critical on most applications. It basically tells that the represented value in colors, may vary for a range of a 10% (from -5% to +5%) from the actual value if this ring is gold colored, and 20% (-10% to +10%) if it is silver colored. Most modern regular resistors are marked as 5% tolerance (gold), which is fairly acceptable.
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What about DVD regions?
What about DVD Region codes?
DVD region codes identify a DVD’s compatibility with DVD players typically sold in a particular region market. It is a system developed to encode DVDs to prevent them to be played on Countries not intended to.
The only exception is Region “0″ (also called “region free”). Region “0″, is compatible with DVD players from any region. The majority of all current DVD titles play only in one specific region unless Read the rest of this entry
