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Grove - 12-Channel Capacitive Touch Keypad (ATtiny1616)
- Product SKU: SS_101020636
- Category: Arduino, Buttons, Raspberry Pi, Seeedstudio Grove, Sensnor, Sensor
We made this keypad into a 3x4 form, just like the layout of a mobile phone keyboard. The traditional keypad requires 3 vertical lines and 4 horizontal lines to scan, which will occupy 7 I/O pins of the microcontroller. With the help of ATtiny1616 and Grove connector, only RX and TX two pins are enough for Grove - 12-Channel Capacitive Touch Keypad. You can easily use this module with a microcontroller with a hardware UART interface, or you can use the software UART to read the button input with two normal I/O pins.
All in all, the Grove 12 button Capacitive Touch Keypad is an easy-to-use module that requires very little code, especially when you use it with Grove compatible mainboards, no soldering, just plug and play.
Note
Weve Released the Grove Selection Guide and hope to help you find the Grove suit you best.
Features
Low Power ATtiny1616 controller
3.3V / 5V compatible
Capacitive touch, high sensitivity
12 button keypad
4 pin Grove UART connector
On-board LED indicator
Applications
Phone keypad
Password access
Extended input interface
Hardware Overview
Figure 1. hardware overview
We made this keypad into a 3x4 form, just like the layout of a mobile phone keyboard. The traditional keypad requires 3 vertical lines and 4 horizontal lines to scan, which will occupy 7 I/O pins of the microcontroller. With the help of ATtiny1616 and Grove connector, only RX and TX two pins are enough for Grove - 12-Channel Capacitive Touch Keypad. You can easily use this module with a microcontroller with a hardware UART interface, or you can use the software UART to read the button input with two normal I/O pins.
All in all, the Grove 12 button Capacitive Touch Keypad is an easy-to-use module that requires very little code, especially when you use it with Grove compatible mainboards, no soldering, just plug and play.
Note
Weve Released the Grove Selection Guide and hope to help you find the Grove suit you best.
Features
Low Power ATtiny1616 controller
3.3V / 5V compatible
Capacitive touch, high sensitivity
12 button keypad
4 pin Grove UART connector
On-board LED indicator
Applications
Phone keypad
Password access
Extended input interface
Hardware Overview
Figure 1. hardware overview
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