Instructions

Ausgabe 22.09.2017 Copyright by Joy-IT 9
3
RPi - Explorer700
5. PCF8574 Example - I/O Extension demos
BCM2835 Program:
Open the console and enter the following commands:
Expected result: LED2 ashes.
Press CTRL+C to exit the program.
Expected result: Press one of the direcon-buons. LED2 will ash up, the buzzer will buzz and the
console will push the following:
Press CTRL+C to exit the program.
make
sudo ./pcf8574
cd /Explorer700/PCF8574/bcm2835
make5
sudo ./pcf8574
PCF8574 Test Program !!!
up
left
down
right