Overview of this 12 Key 4×3 Matrix Membrane Type Keypad
Introducing Roboway 12 Key 4×3 Matrix Membrane Type Keypad at the best price in India with Roboway. This 12 Key 4×3 matrix membrane type keypad includes numbers 0–9, plus * and # keys. This is soft membrane type and it is flat and flexible design and also easy to press. It is suitable for battery-powered devices. It is  durable and long-lasting and there is no mechanical parts and resistant to wear.
It has 7-pin connector for simple interfacing with Arduino or microcontrollers and it is perfect for compact and portable projects. It is mostly use for password entry, menu navigation, and number input. It is reusable and stick-on back and also it has adhesive layer for mounting on flat surfaces.
Features
4×3 matrix layout – It has 0–9 number keys, * (star), and # (hash).
Matrix configuration – It gives easy scanning using only 7 GPIO pins.
Soft-touch membrane keys – smooth and quiet key pressing experience.
Ultra-thin design – This is slim and flexible, perfect for space-saving applications.
Adhesive backing – easily sticks to any flat surface for quick installation.
Long life span – It can supports thousands of key presses.
Easy to use with Arduino – plug and play with keypad libraries.
Specification
Key Layout: 4 rows x 3 columns, 12 keys in total
Key Labels: Standard numeric keypad (0–9), * and #
Connection: 8-pin connection
Operating Voltage: 3V to 5V (compatible with Arduino and other MCUs)
Keypress Actuation: Membrane type with tactile feedback
Durability: Rated for a high number of keypress cycles
Mounting: Adhesive backing for easy mounting on flat surfaces
Dimensions: Approx. 70 x 85 mm (may vary by manufacturer)
Cable Length: Typically around 15–20 cm
Compatibility: Compatible with various microcontrollers like Arduino, Raspberry Pi, etc.
SKU: RW-106
Reviews
Clear filtersThere are no reviews yet.