Datasheet

chipKIT™ Basic I/O Shield™ Reference Manual
Copyright Digilent, Inc. All rights reserved.
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Page 2 of 13
1 Hardware Overview
The Basic I/O Shield has the following hardware features:
1. Pushbuttons
Four pushbuttons provide discrete momentary-contact digital inputs. These can be accessed using
the digitalRead function.
2. Slide Switches
Four slide switches provide discrete digital inputs. These can be accessed using the digitalRead
function.
3. J2: Shield Power Connector
This connector receives power from the chipKIT microcontroller board.
4. J3: Analog Signal Connector
Pin 1 (analog signal A0) is connected to a potentiometer. Pins 5 and 6 (labeled A4 and A5) provide
access to the I
2
C signals SDA and SCL for the I
2
C bus. The I
2
C bus is used to access the temperature
sensor and the EEPROM and for the I
2
C daisy chain connector.