LED Scroller Matrix keyboard


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SKU: 1121329
  1. Switch Type: Momentary
  2. Pin Spacing (mm): 2.54
  3. Module Dimensions (L x W x H): 57 x 33 x 6
  4. Weight: 10gm
  5. 4×4 Matrix Keyboard Module with 16 buttons


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Brand: Generic
Category: Electronic Switches/Keypads Modules

The 4 x 4 matrix keypad usually is used as input in a project. It has 16 keys in total, which means the same input values. The 4 x 4 Matrix Keypad Module is a matrix non-encoded keypad consisting of 16 keys in parallel. The keys of each row and column are connected through the pins outside pin R1-R4 as labelled beside control the rows, when L1-L4, the columns.

A 4×4 matrix keypad consisting of microswitch pushbuttons. The module has four holes 3mm (M3) holes for mounting. The pin designations on each PCB are shown on each PCB. Four pins are thus used as an x coordinate and the other 4 as a y coordinate.
The module is already equipped with soldered pin headers.

Application: outside the expansion of the MCU button, the application of electronic building blocks, etc.


  1. 4×4 Matrix Keyboard Module with 16 buttons
  2. Small in size and hence Save space
  3. More convenient to use
  4. Expanded development application modules for single chip

Package Includes:

1 x 4×4 Push Button Switch 16 Keys 8LEDs Matrix Independent Keyboard Module

SKU: 1121329 Category:
Item Type:

4×4 Matrix Keyboard Module

Switch Type


Pin Spacing (mm)


Module Dimensions

57 x 33 x 6

Weight (g):


Shipping Weight 0.03 kg
Shipping Dimensions 6 × 3 × 2 cm

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Questions and answers of the customers

    Hi, i bought this product. Can i have access to th... Read more
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    Q Hi, i bought this product. Can i have access to the circuit it has, for debugging purpose and mak...... Read more answer now
    Asked by mujammilali_as on May 23, 2022 3:58 pm
    A Sorry the circuit diagram is not available.
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Country Of Origin: China