The 4X4 Matrix Membrane Keypad is a versatile input device that can use in a variety of applications. The matrix keypad 4X4 is also a popular choice for Arduino projects. The input voltage for a 4X4 matrix keypad typically ranges from 3V to 5V DC.


4X4 Matrix Membrane Keypad 16 Buttons
₨ 180 Original price was: ₨ 180.₨ 150Current price is: ₨ 150.
This 4X4 Matrix Membrane Keypad is a type of keypad that has 16 buttons arranged in a 4X4 grid. The buttons are connected to a matrix of rows and columns, so that only 8 microcontroller pins are needed to scan the entire keypad. This makes the 4X4 matrix keypad a very efficient way to input data into a microcontroller.
The buttons on a 4X4 matrix keypad typically labeled with numbers and symbols. The number keys are arranged in a telephone-style keypad, with the numbers 1-9 in the first row, 0 in the bottom row, and * and # in the top right and bottom right corners
The 4X4 Matrix Membrane Keypad is a versatile input device that can use in a variety of applications. The 4X4 matrix keypad is also a popular choice for Arduino projects. The input voltage for a 4X4 matrix keypad typically ranges from 3V to 5V DC.
The working principle of a Matrix Membrane Keypad is based on the fact that each button connected to a unique intersection of a row and a column. When a button is pressed, it closes the circuit between the row and column, which is detected by the microcontroller.
The microcontroller scans the keypad by activating one of the rows at a time. When a row is activated, the microcontroller then checks each of the columns to see if it is connected to a button.
The Matrix Membrane Keypad is a very efficient way to input data into a microcontroller because it only requires 8 microcontroller pins to scan the entire keypad. This is because the rows and columns are multiplexed, which means that they are shared by multiple buttons.
Features : –
Here are some of the benefits of using a 4X4 Matrix Keyboard:
Efficiency: A 4X4 matrix keypad only requires 8 microcontroller pins to scan the entire keypad. This is because the rows and columns are multiplexed, which means that they are shared by multiple buttons.
Versatility: A 4X4 matrix keypad can use in a variety of applications.
Cost-effectiveness: 4X4 matrix keypads are relatively inexpensive. This makes them a good option for budget-minded projects.
Durability: 4X4 matrix keypads typically made of durable materials, such as plastic or metal. This makes them resistant to damage from wear and tear.
4X4 Matrix Membrane Keypad Specifications : –
The 4X4 MEMBRANE KEYPAD is also a popular choice for Arduino projects.
Number of keys: 16
Key size: 12.5mm x 12.5mm
Key spacing: 5mm
Keycap material: Plastic
Keycap legends: Printed or laser-etched
Key matrix: 4×4
Operating voltage: 3V to 5V
Current draw: 10mA
Contact resistance: 100 ohms
Dielectric strength: 250 VRMS


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