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Step 2Assemble the parts
After placing the LED on a piece of masking tape so that the leads are close to the edge of the tape, place the batteries on the leads.
Each battery is 1.5 volts so two batteries are needed to light the LED.
The positive side (+) is typically labeled. See the picture below to help you identify the polarity of the battery ends. Note the positive lead will have the positive side of the battery touching it and the negative lead will have the negative side of the battery touching it.
Each battery is 1.5 volts so two batteries are needed to light the LED.
The positive side (+) is typically labeled. See the picture below to help you identify the polarity of the battery ends. Note the positive lead will have the positive side of the battery touching it and the negative lead will have the negative side of the battery touching it.
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