20cm Female-to-Female Hole-to-Hole Jumper Wires Set 20pcs/40pcs

Product Overview

The 20cm Female-to-Female Hole-to-Hole Jumper Wires 20pcs or 40pcs Set is designed for fast, reliable solderless connections during prototyping and development. Each jumper features female sockets on both ends to plug directly onto male header pins found on modules, sensors, and development boards such as Arduino, Raspberry Pi, and ESP32.

Key Features

• 20 or 40 female-to-female jumper wires in one convenient kit
• 20cm length for flexible routing across breadboards and modules
• Female sockets on both ends for plug-and-play connectivity
• Assorted colors to simplify wiring and troubleshooting
• Flexible insulated construction for durability and reuse
• Compatible with a wide range of development boards and modules

Technical Specifications

• Quantity: 20 or 40 wires
• Connector type: Female-to-Female (socket to socket)
• Wire length: 20cm (approx. 7.9 inches)
• Insulation: Flexible PVC or similar insulated jacket
• Colors: Assorted (various colors included for identification)

Compatibility and Applications

These female-to-female jumper wires are ideal for a variety of electronics and maker projects:

• Arduino, Raspberry Pi, ESP32 and other microcontroller boards
• Connecting sensors, modules, and breakout boards with male headers
• Breadboard prototyping and circuit testing without soldering
• Educational electronics labs and DIY learning kits
• Robotics, IoT prototypes, and temporary test rigs

Why Choose These 20cm Female-to-Female Jumper Wires

• 20cm length offers extra reach for larger breadboard layouts and tidy wiring.
• Assorted colors make it easy to trace signal, power, and ground lines at a glance.
• Durable connectors and flexible insulation let you reuse the wires across projects.
• Pre-made jumpers save time versus building custom leads or soldering every connection.

Tips for Best Results

• Match colors consistently (e.g., red for VCC, black for GND) to avoid confusion.
• Check header pin alignment before inserting to prevent bent pins.
• Use shorter wires where possible to reduce noise and maintain tidy layouts.
• Store wires by color or bundle to keep your workspace organized.

Note: Images are for Illustration Purposes Only.