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VWEICYY 6PCS 2 x 1.5V AA Battery Holder Enclosures with Wire Leads and On/Off Switch (6)

VWEICYY 6PCS 2 x 1.5V AA Battery Holder Enclosures with Wire Leads and On/Off Switch (6)
Electronics
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comments:

samdtho posted on r/askelectricians1w

Please get a battery holder, I really don’t think that battery connection is as good as you think it is. The D in LED means “diode” which means current flows in one direction. The terminal on the flat side of the LED should be on the negative side of the circuit.