Overview
The Male to Male (M-M) Jumper Wire is the fundamental building block of any DIY electronics project. Featuring a solid 2.54mm pin on both ends, these cables are specifically designed to plug directly into breadboards, female headers, or IC sockets. Sold as a 40-pin “Rainbow” ribbon, these Pin-to-Pin wires can be used as a wide bus for data or peeled into individual strands for power and ground connections.
Key Features
Breadboard Optimized: Pins are designed for a snug, secure fit in standard 830-point and 400-point breadboards.
Easy Organization: The 10-color rainbow sequence allows you to color-code your circuits (e.g., Red for 5V, Black for GND, Yellow for Data).
Peel-to-Size: Need an 8-pin ribbon for a sensor? Just peel it off! No scissors or wire strippers required.
Durable Construction: Molded housing ensures the pins won’t snap off easily during repeated insertions.
Variation Guide: Which length is right for you?
| Length | Best Used For |
| 10cm (Short) | Making small “jumpers” between components on a single breadboard. Keeps the circuit looking clean and professional. |
| 20cm (Standard) | Connecting an Arduino Uno to a breadboard. The most versatile length for 99% of student projects. |
| 30cm (Long) | Perfect for connecting two separate breadboards or bridging power across large robotic chassis. |
Technical Specifications
Connector Type: Male to Male (Pin to Pin)
Pitch: 2.54mm (0.1″ Standard)
Quantity: 40 wires per ribbon
Wire Material: Multi-strand copper (Flexible)
Insulation: PVC Rainbow ribbon
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