4-Key Push Button Switch Module for DIY Projects

This is a four-key keyboard module designed for DIY projects. It features four push-button switches arranged on a compact board, suitable for various electronic applications. The module operates within a voltage range of 0 to 48 volts DC. It provides a simple way to add multiple input options to your electronic setup, making it ideal for custom control panels, prototypes, or hobby projects. The design is straightforward, allowing easy integration into different systems.