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Product Information

Highlights

• 5 buttons
• Green LED
• Yellow LED
• Buzzer enabled via jumper

Description

With the Interface Nanoshield it's possible to add basic user interface elements to your Nanoshields project. It has 5 buttons, 2 LEDs (green and yellow) and one buzzer.

The buttons are connected to the Arduino A0 pin through a voltage divider, and can be checked via a simple analog reading. To know which button is being pressed, you just need to verify in which range of the table below the input voltage falls into.

The buzzer is connected to the D5# pin and can generate tones from 100Hz to 10kHz. If needed, you can disable it by removing the BZ_EN jumper on the board. The yellow LED is connected to the A1 pin and the green LED is connected to the A2 pin. To activate each LED, you just need to output a high logic level to the corresponding pin. The buzzer and the LEDs are activated through a transistor, reducing the load on the Arduino pin (see schematics for details).