Keypad 1×4 Self-Adhesive 4 key
The Keypad 1×4 Self-Adhesive 4 key is Simple numeric keypad with numbers from 1 to 4. Can be used as data input device in projects based on any microcontroller systems like Arduino or STM32. The pinout is 1×5 female connector – raster 2.54, which allows to connect the device via gold pin strip or with use of connecting wires. On the back side there is self-adhesive tape for easy installation of the keyboard.
Features :
- 4 tactile push-button keys in a single row (1×4 layout).
- Durable and flexible membrane design.
- Self-adhesive back for easy mounting on flat surfaces.
- Easy integration with microcontrollers like Arduino, Raspberry Pi, etc.
- Lightweight and compact form factor.
- Clearly labeled keys for intuitive operation.
Specifications:
- Number of keys: 4 Key
- Layout: 1 Row x 4 Columns
- Operating voltage: 3-5VDC
- Operating Current: 100mA
- Contact Resistance: ≤ 500Ω
- Insulation resistance: ≥ 100MΩ
- Dielectric Strength: 250Vrms
- Interface: Digital
- Connector Type: Female Header
- Number Of Pin Connector: 5 Pins
- Pitch Of Pin Connector: 2.54mm
- Flat Cable Length: 73mm
- Dimensions: 69mm x 20mm
- Material: Flexible membrane with Self-Adhesive backing
- Operating Temperature Range: -40 ℃ to 85 ℃
- Humidity: 40% to 80% RH (non-condensing)
- Key life: > 1 million presses
Applications:
- DIY Electronics Projects.
- Arduino & Microcontroller Interfaces.
- Security Systems.
- Home Automation.
- Industrial Control Panels.
- Remote Controls & Robotics.
- Prototyping Interfaces.
Package Contents:
- 1 X Keypad 1×4 Self-Adhesive 4 key
