22 lines
444 B
Plaintext
22 lines
444 B
Plaintext
#include <Arduino.h>
|
|
#include <PCF8574.h>
|
|
|
|
PCF8574 inputbank1(0x21);
|
|
|
|
void setup() {
|
|
Wire.begin(14,33);
|
|
Serial.begin(9600);
|
|
boolean connected = inputbank1.begin();
|
|
Serial.println("connection state = "+String(connected));
|
|
inputbank1.write(0, HIGH);
|
|
delay(50);
|
|
inputbank1.write(1, HIGH);
|
|
delay(50);
|
|
}
|
|
|
|
void loop() {
|
|
for(int i=2;i<8;i++) {
|
|
Serial.println(inputbank1.read(i));
|
|
delay(100);
|
|
}
|
|
} |