How do you shorten the wires but keep the end pins attached?

What I usually do is just fold the wire, but if you really wanna shorten them heat the part of the wire that you wanna get rid of the rubber part, cut the excess amount of wire and solder the both ends together. Put some rubber or tape on the naked part of wire as well.

I need a 30 pin male to female extention for my LCD controller board but it needs to be 1mm pitch, will these do? or are they to bigger pitch?

Hello LynnThank you for your interest in Elegoo Dupont wires.If you mean the diameter of the pins then it is 1mm and wil fit in your LCD controller board.Should you have additional questions please feel free to let me know.Best regardsElegoo Support Team

I have bare wires from various hardware , how do I make the connection to these wires in order to put the male pins into the Arduino?

You could use a breadboard or for a more permanent solution, cut the wires and solder them to the bare wires (or twist them together) and wrap with tape (preferably electrical tape).

Is the inside cable twisted or is it a single cable?

It is braided cable in my ones, others i have seen are single strand - Don't buy the even cheeper ones!

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🌈 Connect smarter, build faster, and never miss a beat!

BUILT TO LAST - Premium copper-clad aluminum and PVC ensure reliable, long-term performance
ALL IN ONE KIT - 120 pieces provide a comprehensive solution for all your Arduino and breadboard projects
COLOR CODED CLARITY - Vibrant multicolor design eliminates wiring confusion and speeds up prototyping
CUSTOM LENGTH CONTROL - Each 20cm wire can be separated for precise, odd-spaced header compatibility
PLUG PLAY FLEXIBILITY - 40-pin male-to-female, male-to-male, and female-to-female cables cover every connection need

The ELEGOO 120pcs Multicolored Dupont Wire Kit offers a complete set of 40-pin male-to-female, male-to-male, and female-to-female jumper cables, each 20cm long and separable for custom wiring. Crafted from durable copper-clad aluminum with PVC insulation, this vibrant, color-coded kit is designed to streamline and enhance your Arduino and breadboard prototyping experience.

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Manufacturer	ELEGOO
Part Number	EL-CP-004
Product Dimensions	0.1 x 21.01 x 0.1 cm; 27.22 g
Item model number	EL-CP-004
Colour	Dupont Wire 120pcs(male to female,male to male, female to female)
Material	copper-clad aluminum, PVC
Item Package Quantity	1
Certification	Meets required standards for use
Special Features	Multiple colors
Included Components	jumper wire
Batteries included?	No
Batteries Required?	No
Item Weight	27.2 g

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

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