Male to Male Jumper Wires 40pcs 10cm Breadboard Dupont Cables Ribbon Connector Leads for Arduino Raspberry Pi Prototyping, Multicolor 2.54mm Pin Headers DIY Kit

Overview

This 40pcs set of male-to-male jumper wires is designed for quick, reliable connections between breadboards, development boards, and 2.54mm pin headers commonly found on microcontroller and sensor modules. With a practical 10cm cable length and a multicolor ribbon format, these leads help you prototype faster, keep wiring organized, and troubleshoot circuits more easily. The male pin ends are intended to plug directly into solderless breadboards or female header sockets, making them a staple accessory for electronics labs, classrooms, and DIY makers.

Technical Details

Each jumper lead uses a standard 2.54mm (0.1") pin spacing interface, matching the pitch used by most breadboards and GPIO header systems. The male pins are suitable for insertion into breadboard tie points and female header receptacles, enabling common use cases such as:

• Breadboard-to-breadboard bridging across power rails or signal rows
• Microcontroller GPIO to sensor module signal pins
• Module-to-module interconnects for I2C, SPI, UART, PWM, and digital I/O
• Temporary test hookups during debugging and validation

The 10cm length is a balanced choice for compact prototyping: long enough to route around components and reach adjacent headers, yet short enough to help reduce tangles and minimize unwanted noise pickup compared with longer jumpers. The multicolor insulation supports consistent wiring conventions (for example, using specific colors for VCC, GND, SDA/SCL, MOSI/MISO/SCK), which can reduce mistakes when iterating quickly.

Specifications

• Quantity: 40pcs jumper wires (male to male)
• Cable length: 10cm (per wire)
• Connector type: Male pin to male pin
• Pin pitch compatibility: 2.54mm (0.1") headers and solderless breadboards
• Form factor: Ribbon-style bundle, separable into individual leads
• Wire colors: Multicolor assortment (exact color order may vary by batch)
• Electrical use: Intended for low-voltage prototyping and signal wiring; maximum current/voltage depends on conductor gauge and insulation rating (varies by supplier/batch—verify for power applications)
• Typical use signals: Digital I/O, I2C, SPI, UART, PWM, analog signal routing (performance depends on layout and environment)

Applications

• Arduino-compatible boards: connect GPIO, power, and signals to breadboard circuits and modules
• Raspberry Pi GPIO prototyping: quick header connections to sensors, relays (logic side), and interface boards
• ESP32/MCU development: rapid iteration for pin mapping, peripheral testing, and breadboard demos
• Sensor and module wiring: IMU, temperature, light, ADC/DAC, displays, and logic modules with 2.54mm headers
• Classroom labs and STEM kits: reusable leads for experiments, troubleshooting, and circuit demonstrations
• Test and measurement setups: temporary routing for logic analyzer probes, signal injection, and quick rework

Integration Notes

• Ensure correct pin mapping before powering your circuit; color-coding helps but always confirm with your schematic.
• For power distribution, consider using dedicated breadboard power rails and keep high-current loads off jumper wires unless you have verified the wire gauge and connector limits.
• For noise-sensitive signals (I2C at higher speeds, SPI, fast PWM edges), keep leads as short as practical, route ground alongside signals when possible, and avoid running signal wires parallel to noisy power lines.
• If you need a cleaner build, separate only the number of wires required from the ribbon to maintain organization and reduce strain at the connector ends.

Included Components

40pcs male-to-male jumper wires, 10cm, multicolor ribbon