Keypad
1×4 Key Matrix Switch Keypad
- Key Type: 4×1;
- Voltage: DC 12 Volt
- Mount Style: Self-Adherence
- Circuit Rating: 35 VDC, 100 mA.
- Contact Bounce : <=5ms
- Life Expectancy: 1 million closures
- Operation Temperature : -20 to +40 °C
- 5 pins 2.54mm pitch connector, 4×1 type 4 keys.
- Force: 250-350g
- Contact Bounce: Greater than 1s
- Cable Length: 52mm
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- Used widely in industrial and home electronic equipment's, instruments, etc.
4×4 Keypad Board Matrix Keyboard 16 Key Buttons For Arduino
- 4×4 Matrix Keyboard Module with 16 buttons
- Small in size and hence Save space
- More convenient to use
- Expanded development application modules for single chip
- With 16 keys and an 8 pin
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
1 x 5 Keypad Switch
TTP229 16WAY
- On-board TTP229 capacitive touch sensor IC
- Operating voltage 2.4V~5.5V.
- Built-in regulator with external enable / disable option.
- Operating current, @VDD=3V no load.
- At low power mode typical 2.5uA.
- At fast mode typical 9.0uA; @VDD=3V.
- The response time is about 100mS at fast mode, 200mS at low power mode
- Built-in regulator
- Adjustable sensitivity
- Two modes
- Simple 8 key mode with independent 8 Channel parallel output.
- Advanced 16 Key modes with I2C interface output.
- Provides Fast mode and Low Power mode selection by pad option (LPMB pin).
- Provides direct mode or toggle mode CMOS output or open-drain output.
- Auto calibration for life and the re-calibration period is about 4.0sec when the key has not to been touched.
- PCB Size: 49.3 x 64.5 mm
4*4 MATRIX KEYPAD
The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
4*3 MATRIX KEYPAD
- Operating voltage: 12V DC
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Ultra-thin design
- Adhesive backing provides easy integration
- Easy communication with any microcontroller
- Flexible
- Only 7 microcontroller pins required to access 12 keys
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm