The Sparkfun 4-Pin Polarized Connectors - Header is a versatile tool for your perf board or PCB projects. These connectors are designed to prevent incorrect or reversed peripheral connections, ensuring safety and accuracy in your work. They are especially useful for power connections or for any general sensor connections. The product on offer here is the male header. To complete the setup, you'll also need to purchase the housing and crimp pins separately. This modular approach allows you to customize your connector setup according to your specific project needs.The pins on these connectors are spaced at a standard 2.54mm apart. This standard spacing makes them compatible with a wide range of equipment and components, enhancing their versatility and usability.With Sparkfun's 4-Pin Polarized Connectors, you can ensure a secure and correct connection every time, enhancing the reliability of your projects. They are a valuable addition to any electronics toolkit, providing a simple and effective solution to common connection issues. https://elecena.pl/product/27751370/sparkfun-polarized-connectors-header-4-pin 2025-01-24 https://elecena.pl/product/27751370/sparkfun-polarized-connectors-header-4-pin 2025-09-28