Telling Anode from Cathode
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The internal resistance of a 2032 coin cell is high enough that the resistors aren't necessary.
Simply slide the cell between the LED leads and the LED will light when the polarity is correct.
Are you sure? yes | no
Why don't you include the resistor size in the Components? Colors are deceiving.
These really saved our butts at Supercon for the SMD challenge. Thanks for digging into your personal stash and putting these together!
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