4×4 ماتريكس نوع الغشاء لوحة المفاتيح -16 مفاتيح

Discover the 4×4 Keypad Matrix Membrane Typ, an ideal numeric input solution with 16 keys. Its ultra-thin design, adhesive backing, and cost-effectiveness make it perfect for various projects, whether in industrial or home electronics. This flexible and versatile requires only 8 micro-controller pins, simplifying your design process of 4×4 Keypad.

A Buzzer Module Circuit consists of an electronic device that produces sound when an electric current is applied. It typically features a piezoelectric element or an electromagnet to generate audible tones. Buzzer modules are commonly used in alarms, timers, and signal indicators.