Purecrea Membrane keypad 16 keys / keypad 4x4 matrix keypad

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Product details

This keypad is perfect for building a combination lock with Arduino, for example. You can also use it on a Raspberry Pi or other controllers. The keypad is very thin and can simply be glued on for assembly. There are already libraries for the control that you can find in the Arduino Library Manager if you search for Keypad. To save pins on your controller I recommend to control the keypad with an i2c portexpander PCF8574. Since the PCF8574 is controlled via i2c, you only need two data pins.

Technical details:
Maximum voltage: 35V
Maximum current: 100mA
Connection: 8 Pin
Grid dimension: RM2.54
Cable length: approx. 80mm
Mounting: Self-adhesive to stick on
Keypad size: 77 x 69 x 1mm
Weight: 7g

Scope of delivery:
1x Membrane keypad 16 keys / keypad 4x4 Matrix Keypad.

Key specifications

Development board type
Kit

General information

Item number
38633744
Manufacturer
Purecrea
Category
Single board computer kits
Release date
14.9.2023

Development board properties

Development board type
Kit

Connections

Number of I/O
8

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 0.40

Scope of delivery

Scope of delivery
1x membrane keypad 16 keys, Keypad 4x4 Matrix Keypad

Product dimensions

Weight
7 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Single board computer kits» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Tru Components
    0 %
  • 3.micro:bit
    0.1 %
  • 3.Purecrea
    0.1 %
  • 3.Whadda
    0.1 %
  • 6.Espressif
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Joy-it
    0 days
  • 1.M5Stack
    0 days
  • 4.Purecrea
    1 day
  • 4.WaveShare
    1 day
  • 6.DFRobot
    2 days

Return rate

How often is a product of this brand in the «Single board computer kits» category returned?

Source: Digitec Galaxus
  • 1.Delock
    0.3 %
  • 2.micro:bit
    0.4 %
  • 2.Purecrea
    0.4 %
  • 4.Allnet
    0.6 %
  • 5.DFRobot
    0.8 %
Source: Digitec Galaxus