KeyPad 1×4

65.00

A Keypad 1×4 is a compact matrix keypad featuring four keys arranged in a single row and column configuration, commonly used for simple user input tasks in electronic projects. Offering a cost-effective and space-saving solution, this keypad provides basic functionality for menu navigation, password entry, and control operations in various applications.

25 in stock (can be backordered)

SKU: SI_070 Category:

Description

  • Matrix Configuration:
    • Layout: Consists of four keys arranged in a single row and column configuration, forming a 1×4 matrix for user input.
    • Wiring: Utilizes matrix scanning techniques to detect key presses, with each key connected to a unique combination of row and column pins.
  • Key Types:
    • Numeric Keys: Typically includes digits 0 through 9 for numeric input, allowing users to enter numerical values and numeric commands.
    • Functional Keys: May incorporate additional keys such as *, #, or custom function keys for performing specific actions such as confirmation, cancellation, or navigation.
  • Interface and Compatibility:
    • Digital Interface: Interfaces with microcontrollers, Arduino boards, Raspberry Pi, and other digital devices using digital input/output (I/O) pins for detecting key presses and decoding input signals.
    • Compatibility: Compatible with a wide range of microcontroller platforms and development environments, offering flexibility and ease of integration into electronic projects and prototypes.
  • Construction and Durability:
    • Construction: Typically features a compact and lightweight design with membrane or silicone rubber keypads mounted on a printed circuit board (PCB), providing tactile feedback and durability.
    • Durability: Designed to withstand thousands of key presses and environmental conditions, ensuring long-term reliability and consistent performance in various applications.
  • Applications:
    • Consumer Electronics: Integrated into consumer electronics devices such as remote controls, access control panels, and home automation systems for user input and control operations.
    • Security Systems: Used in security systems and access control panels for keypad-based PIN code entry, enabling authorized access to secured areas or devices.
    • DIY Projects: Ideal for hobbyist projects, DIY electronics, and educational demonstrations requiring simple user input for menu navigation, input validation, and control functions.
  • Installation and Usage:
    • Mounting Options: Can be mounted onto a baseboard, chassis, or enclosure using adhesive backing or mounting holes, facilitating integration into electronic systems and equipment.
    • Wiring and Connection: Connected to microcontroller pins via individual wires or pin headers, with each key corresponding to a specific input pin for detection and processing of key presses.
    • Programming: Requires programming of the microcontroller or development platform to interpret key press signals, perform actions, and respond to user input based on the application requirements.
  • Considerations:
    • Pin Mapping: Determine the pin connections and matrix configuration of the keypad to ensure proper wiring and interfacing with the microcontroller or digital device.
    • Debouncing: Implement debounce algorithms or hardware debouncing techniques to eliminate contact bounce and ensure accurate detection of key presses.
    • Power Supply: Provide a stable power supply within the keypad’s operating voltage range to ensure reliable operation and consistent performance.
    • Environmental Conditions: Consider environmental factors such as temperature, humidity, and exposure to moisture or chemicals when selecting keypads for outdoor, industrial, or harsh environments.

Additional information

Weight5 kg
Dimensions44 × 68 × 14 cm
HSIN CODE :-

85177990

Cart
Your cart is currently empty.