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Elegoo 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino
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|You Save:||$7.13 (45%)|
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1pcs 40-pin male to female jumper wires
1pcs 40-pin male to malejumper wires
1pcs 40-pin female to female jumper wires
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Top customer reviews
They work great, easy to peel with 0 damage to the next wire while doing so; soft and flexible!
Now, out of all the wires I do have I did have at least 4 or 5 that lost their black plastic tips somewhere while I was playing with them, and at least two fell off while I was disconnecting devices. The ones I seen fall off was very easy to fix by slipping it on and listening for the click. That was a week or so ago and since then I've not seen any more do this so I think it was just a couple and a one time thing.
Lastly again, out of all the wires I ordered a few had their metal pins bent by a good 5 to 10 deg, nothing bad and I easily fixed it with my finger so no biggie, just thought people should know.
Much improved! Elegoo kindly sent me a replacement set of jumper wires and these are as good or better than what I was expecting when I originally purchased them. First off, the wires are copper. Magnets do not stick to these wires. The tips are ever so slightly magnetic, but that is not unusual. The resistance of these wire is much better too. My Fluke 87V says that these jumpers have a resistance of just 0.1 ohms, which is the same reading I get with freshly stripped copper wire of the same gauge and length. They even came in a nice Elegoo branded box. Thanks guys, you have redeemed yourselves in my mind!
Steel wire, not copper. Magnet sticks to them. Worst of all, each wire has a measured resistance of over 0.5 Ohms (some were as high as 0.8 ohms). Measured with two different meters just to be sure, a BK Precision 2709B and a Fluke 87V.
OK for basic stuff, but the added resistance could cause problems.
Elegoo 120pcs Multicolored Dupont Wire 40pin...
I selected a couple of wires at random and measured approx 0.25 ohms which is quite respectable.
I have ordered a number of different items from Elegoo and all have been high quality. I would not hesitate to order anything from them in the future.
- 2 stars: Chemical odor of the plasticizer used in the vinyl insulation apparent immediately upon opening. This is common for inexpensive wire from Asia. I put them in the garage to air out, and I can definitely smell them in the closed garage. Hopefully the odor will fade.
Update: I baked these out in the oven at 170F for 3 hours and most of the odor is gone from the wires. (after airing out the house too!) Elegoo said that this was "normal plastic order and does no harm to the human body" and offered to send another set with "no odor from China". While I appreciate the offer, I don't have the time or inclination to wait for another set, so I will make these do. Note: many PVC compounds are banned from children's toys in Europe because of the suspected toxicity of the aromatic compounds in the plasticizers. Don't eat these wires.