40‑Pin Female Header Strip for Arduino, Raspberry Pi & DIY PCB Projects

Versatile 40‑pin female header with standard 2.54 mm spacing—perfect for stacking shields, prototyping, and custom PCB builds. Easily cut to any length, supports Arduino, Raspberry Pi, ESP32, and other microcontroller boards. Reliable tin‑plated contacts ensure secure, low‑resistance connections for hobbyists, students, and professionals alike.