Files
project-vesper/kincony examples/pcf8574 output (relays).cpp
bonamin 7dd6f81264 Added basic Scheduling Functionality
A JSON message can now be received on:
'vesper/DEV_ID/control/addSchedule"
Each message, must hold a "file" and "data".
The file is the month's name in 3 letter mode (eg jan, feb, mar)
The data is an entry for each day of the month.
Each day can be an array containing multiple items.
2025-01-26 14:02:15 +02:00

58 lines
1.2 KiB
C++

/*
Blink led on PIN0
by Mischianti Renzo <http://www.mischianti.org>
https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/
*/
#include "Arduino.h"
#include "PCF8574.h"
// Set i2c address
PCF8574 pcf8574(0x24,4,15);
void setup()
{
Serial.begin(115200);
// delay(1000);
// Set pinMode to OUTPUT
pcf8574.pinMode(P0, OUTPUT);
pcf8574.pinMode(P1, OUTPUT);
pcf8574.pinMode(P2, OUTPUT);
pcf8574.pinMode(P3, OUTPUT);
pcf8574.pinMode(P4, OUTPUT);
pcf8574.pinMode(P5, OUTPUT);
pcf8574.digitalWrite(P0, HIGH);
pcf8574.digitalWrite(P1, HIGH);
pcf8574.digitalWrite(P2, HIGH);
pcf8574.digitalWrite(P3, HIGH);
pcf8574.digitalWrite(P4, HIGH);
pcf8574.digitalWrite(P5, HIGH);
Serial.print("Init pcf8574...");
if (pcf8574.begin()){
Serial.println("OK");
}else{
Serial.println("KO");
}
}
void loop()
{
delay(300);
pcf8574.digitalWrite(P0, LOW);
delay(300);
pcf8574.digitalWrite(P1, LOW);
delay(300);
pcf8574.digitalWrite(P2, LOW);
delay(300);
pcf8574.digitalWrite(P3, LOW);
delay(300);
pcf8574.digitalWrite(P4, LOW);
delay(300);
pcf8574.digitalWrite(P5, LOW);
delay(300);
}