Male-Female Jumper Wires 20cm - 40-Pin Dupont Ribbon Cable, 2.54mm Pitch

The Male to Female Jumper Wires 40-Pin Ribbon Cable is an essential tool for electronics enthusiasts, engineers, and makers working with microcontrollers, development boards, and solderless breadboards. Designed to bridge the gap between male header pins and female sockets, this 40-way jumper cable provides a dependable and reusable connection method for circuit prototyping, testing, and debugging. Whether you are building a complex robotics platform with an Arduino, setting up sensor arrays on a Raspberry Pi, or testing custom circuits on a breadboard, this ribbon cable delivers the flexibility and organization required for clean, professional wiring.

Constructed from high-grade conductive materials, each individual wire within the 40-pin ribbon features standard male pin headers on one end and female sockets on the other. The headers are precision-molded to fit securely onto standard 0.1-inch (2.54mm) square or round pin headers commonly found on microcontrollers, breakout boards, and sensors. The ribbon format keeps the wires neatly aligned and bundled together, reducing tangles and making it simple to manage multiple connections simultaneously. For projects requiring individual routing, the ribbon can be easily peeled apart into single wires or smaller multi-wire strips without damaging the insulation.

The cable features a standard length of 20cm, offering an ideal balance between reach and signal integrity for desktop electronics projects. The conductor material utilizes reliable wire strands housed in flexible PVC insulation. The connector pitch is engineered to exact 2.54mm specifications, ensuring universal compatibility with standard electronic components. Operating parameters depend on the specific circuit application, but these jumper wires are rated for standard low-voltage logic levels typically used in digital electronics, sensor interfacing, and low-current power distribution. Insulation resistance and current-carrying capacity are designed to meet standard hobbyist and educational electronic requirements.

This versatile jumper cable is widely used across a broad spectrum of DIY electronics and engineering applications. It is ideal for connecting breakout boards, LCD displays, sensors, and actuators to microcontroller development boards like Arduino Uno, Mega, Nano, and Raspberry Pi GPIO headers. Educational institutions use these cables extensively in electronics laboratories for teaching circuit design and prototyping. They are also indispensable for temporary circuit building on breadboards, hobbyist robotics assembly, hardware debugging, and rapid prototyping of Internet of Things (IoT) devices.

When integrating the male to female jumper cable into your electronics project, ensure that pin connections match your schematic diagram to prevent short circuits or reverse polarity issues. While the wires are flexible and durable, avoid excessive pulling force on the connector housings to maintain long-term wire integrity. For high-current applications exceeding standard logic levels, check datasheet specifications of connected modules to ensure wire gauge suitability. The multicolored layout can be leveraged to establish a color-coding scheme, such as using red for power, black for ground, and alternative colors for signal lines, enhancing circuit readability and maintenance.

1x 40-Pin Male to Female Jumper Wire Ribbon Cable (20cm)