ESP32 - test for relay

test_relay.cpp

#include <Arduino.h>
#include <ThreeWire.h>
#include <RtcDS1302.h>

#define PIN_CLK D5
#define PIN_DAT D7
#define PIN_RST D8

#define RELAY_PIN D1   // Relay control pin

ThreeWire myWire(PIN_DAT, PIN_CLK, PIN_RST);
RtcDS1302<ThreeWire> Rtc(myWire);

bool relayTriggered = false;

void setup()
{
    pinMode(D1, OUTPUT);
}

void loop()
{
    digitalWrite(D1, LOW); // ON for active LOW relay
    delay(2000);

    digitalWrite(D1, HIGH); // OFF
    delay(2000);
}