Universal Key Pad 16 Key Switch

Specification:

The Universal 16-Key Switch Keypad is a compact 4×4 matrix keyboard designed for a wide range of electronic and embedded system applications. It provides a reliable and convenient user input interface for microcontrollers, development boards, security systems, calculators, and DIY electronics projects. The keypad features 16 tactile push buttons arranged in a 4×4 matrix, making it easy to interface with Arduino, Raspberry Pi, PIC, AVR, STM32, ESP32, and other microcontroller platforms.

Technical Specifications

• Product Type: 4×4 Matrix Keypad
• Number of Keys: 16
• Key Layout: 4 Rows × 4 Columns
• Button Type: Momentary Tactile Switch
• Operating Voltage: 3.3V–5V DC
• Interface: 8-Pin Matrix Output
• Contact Type: Normally Open (NO)
• Material: Plastic Membrane with Conductive Contacts
• Mounting Type: Adhesive Backing / Panel Mount
• Cable Length: Approx. 8–10 cm
• Keypad Size: Approx. 70 × 77 mm
• Operating Temperature: -20°C to +70°C
• Weight: Approx. 10 g