16 Button and Eight LED Breakout Board
Save time when prototyping or learning about electronics with this great value breakout board. It has three sections for your benefit:
- one sixteen button numeric keypad, with standard eight line outputs
- four buttons (the red ones) for simple on/off work
- eight red LEDs for indication and blinky goodness.
Board arrives fully-assembled and includes spacers and nuts as illustrated.
Free delivery, worldwide.
Using the board
The sixteen button numeric keypad is accessed via the eight inline header pins labeled as "KEY A".
- Arduino tutorial
- Raspberry Pi tutorial
The four red buttons are wired as normal tactile buttons, and have pull-up resistors in their circuits. Simply connect 5V or 3.3V to the pins in the "KEY B" group, and the buttons' outputs are S1 to S4. The buttons are active HIGH - that is when you press a button, the output will change from HIGH to LOW.
The LEDs are also in an active HIGH configuration. Connect up to 5V to the Vcc pin in the "LED" group, and each LED's pin (D1~D8) to your board's digital outputs. When an output is HIGH, the LED is off. When the output is LOW, the LED is on.
Dimensions:
