SinoVoip bpi BerryClip, Руководство по оборудованию

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Hardware manual
www.banana-pi.com BerryClip Module Datesheet
Product Feature
：

6 multicolor LED

1 single button on board

1 Beep on board
Port
：

BananaPi 2X13 port
Product Parameters
：

Working voltage: 3.3V

LED max current allow 8mA

Beep max current allow 12mA
Typical Application
：

Hardware beginner learning

Education
How to use
：
Insert the BerryClip in the Banana Pi, Pay attention don’t make the direction reversed!
The correct direction of insert module is above the Banana Pi’s PCB.
Testbench
：

Setup the GPIO OUTPUT, Output LED High level, the LED will be lighten
；

Setup the GPIO INPUT, press the button;

Test finish
Example and Test Code
：
#include <wiringPi.h>
#include <pcf8574.h>
int LED1 []={ 7 , 0 , 3 , 12 , 13 , 14 };
int i ;
int initIO ()
{
pinMode ( 7 , OUTPUT );