#include #include #include RF24 radio(10, 9); // CE, CSN // NOTE: For other versions of nRF24L01(+) modules, CE and CSN may use different pins (9,10 or 7,8, ...) // Pins: D9,D10, D11, D12, D13 are typically reserved for nRF24L01+ modules unsigned long ledTimer = 0; // The timer counts from the time the induction cooker is turned on unsigned long hoodTimer = 0; // The timer counts from the time the induction cooker is turned on unsigned long ledTimer1 = 0; // The timer counts from the time the induction cooker turns on the LED (relay) unsigned long hoodTimer1 = 0; // The timer counts from the time the induction cooker turns on the HOOD (relay) unsigned long LEDmanuallyTurnedOnTimer = 0; // The timer counts from the time the LED is manually turned on unsigned long HOODmanuallyTurnedOnTimer = 0; // The timer counts from the time the HOOD is manually turned on unsigned long HOODturnOnTimer = 0; // The timer counts from the time the induction cooker is turned on to when the HOOD is turned on (with a delay) bool ledActive = false; // LED state - true when automatically turned on via induction bool hoodActive = false; // HOOD state - true when automatically turned on via induction bool LEDmanuallyTurnedOn = false; // LED state - true when manually turned on bool LEDmanuallyTurnedOffAuto = false; // LED state - true when manually turned off after being turned on via induction bool HOODmanuallyTurnedOn = false; // HOOD state - true when manually turned on bool HOODmanuallyTurnedOffAuto = false; // HOOD state - true when manually turned off after being turned on via induction bool LEDmanuallyTurnedOnDuringInduction = false; // LED state - true when manually turned on after or during induction bool HOODmanuallyTurnedOnDuringInduction = false; // HOOD state - true when manually turned on after or during induction unsigned long HOODTurnOnDelay = 40000; // Delay time for turning on the HOOD, default 40s unsigned long autoTurnOffLEDInduction = 900000; // Time to turn off LED after the induction is turned off, default 15 min unsigned long autoTurnOffHOODInduction = 120000; // Time to turn off HOOD after the induction is turned off, default 2 min unsigned long autoTurnOffLEDManual = 3600000; // Time to turn off LED after manual turned on the LED, default 60 min unsigned long autoTurnOffHOODManual = 3600000; // Time to turn off HOOD after manual turned on the HOOD, default 60 min int inductionState = LOW; // Initialize the induction variable to LOW = off int LEDrelay = 2; // Digital output controlling the LED relay int HOODrelay = 3; // Digital output controlling the HOOD relay int LEDstatus = 4; // Digital input monitoring whether the LED is turned on int HOODstatus = 5; // Digital input monitoring whether the HOOD is turned on bool previousLEDStatus = LOW; // Previous state of the LED bool previousHOODStatus = LOW; // Previous state of the HOOD bool currentLEDStatus = LOW; // Current state of the LED bool currentHOODStatus = LOW; // Current state of the HOOD void setup() { pinMode(LEDrelay, OUTPUT); // Output for turning on the LED relay pinMode(HOODrelay, OUTPUT); // Output for turning on the HOOD relay pinMode(LEDstatus, INPUT); // Input for checking when the LED is turned on pinMode(HOODstatus, INPUT); // Input for checking when the HOOD is turned on digitalWrite(LEDrelay, HIGH); // Turn off the LED relay at startup (@ LOW level trigger relay) digitalWrite(HOODrelay, HIGH); // Turn off the HOOD relay at startup (@ LOW level trigger relay) //Serial.begin(9600); // Start serial communication - for debugging radio.begin(); radio.openReadingPipe(1, 0x1A2B3C4D); // Transmitter/Receiver address, can be arbitrarily set radio.setPALevel(RF24_PA_LOW); // Set radio power to LOW (the distance between the induction and the HOOD is typically very small) radio.startListening(); delay(5000); } // Function for turning the LED or HOOD relay on and off void toggleRelay(int pin) { digitalWrite(pin, LOW); delay(300); // Short delay to simulate the time it takes to press the button manually; a shorter delay might not be detected by some devices. digitalWrite(pin, HIGH); delay(300); } void loop() { currentLEDStatus = !digitalRead(LEDstatus); // Read the LED status - is it on? currentHOODStatus = !digitalRead(HOODstatus); // Read the HOOD status - is it on? // Check if the LED has turned on if (currentLEDStatus == HIGH && previousLEDStatus == LOW) { // The LED has turned on manually if (millis() - ledTimer1 >= 1500) { // Check if it's outside the time when the induction was running; default 1500ms LEDmanuallyTurnedOnTimer = millis(); LEDmanuallyTurnedOn = true; LEDmanuallyTurnedOffAuto = false; } else { // LED was not manually turned on because it was turned on by the automatic induction LEDmanuallyTurnedOn = false; LEDmanuallyTurnedOnTimer = 0; } } // Check if the LED has turned off if (currentLEDStatus == LOW && previousLEDStatus == HIGH) { // The LED has turned off manually LEDmanuallyTurnedOn = false; // The LED is currently off if (millis() - ledTimer1 >= 1500) { // Check if it's outside the time when the induction was running; default 1500ms LEDmanuallyTurnedOffAuto = true; LEDmanuallyTurnedOnTimer = 0; } else LEDmanuallyTurnedOffAuto = false; } // Update the previous LED state previousLEDStatus = currentLEDStatus; // Check if the HOOD has turned on if (currentHOODStatus == HIGH && previousHOODStatus == LOW) { // The HOOD has turned on manually if (millis() - hoodTimer1 >= 1500) { // Check if it's outside the time when the induction was running; default 1500ms HOODmanuallyTurnedOnTimer = millis(); HOODmanuallyTurnedOn = true; HOODmanuallyTurnedOffAuto = false; } else { // HOOD was not manually turned on because it was turned on by the automatic induction HOODmanuallyTurnedOn = false; HOODmanuallyTurnedOnTimer = 0; } } // Check if the HOOD has turned off if (currentHOODStatus == LOW && previousHOODStatus == HIGH) { // The HOOD has turned off manually HOODmanuallyTurnedOn = false; // The HOOD is currently off if (millis() - hoodTimer1 >= 1500) { // Check if it's outside the time when the induction was running; default 1500ms HOODmanuallyTurnedOffAuto = true; HOODmanuallyTurnedOnTimer = 0; } else HOODmanuallyTurnedOffAuto = false; } // Update the previous HOOD state previousHOODStatus = currentHOODStatus; // If the radio is available, check the state of the induction reported by the transmitter if (radio.available()) { radio.read(&inductionState, sizeof(inductionState)); } if (inductionState == HIGH) { // The induction cooker has turned on ledTimer = millis(); hoodTimer = millis(); if (!ledActive && !LEDmanuallyTurnedOn && !LEDmanuallyTurnedOffAuto) { // Turn on the LED when this condition is met toggleRelay(LEDrelay); // Turn on the LED relay - for 0.3s ledActive = true; ledTimer1 = millis(); } if (!hoodActive && !HOODmanuallyTurnedOn && !HOODmanuallyTurnedOffAuto) { // Start the HOOD turn-on delay procedure when this condition is met hoodActive = true; HOODturnOnTimer = millis(); } if (LEDmanuallyTurnedOn) // Check if the LED was manually turned on after or during the induction LEDmanuallyTurnedOnDuringInduction = true; else LEDmanuallyTurnedOnDuringInduction = false; if (HOODmanuallyTurnedOn) // Check if the HOOD was manually turned on after or during the induction HOODmanuallyTurnedOnDuringInduction = true; else HOODmanuallyTurnedOnDuringInduction = false; } if (hoodActive && inductionState && !HOODmanuallyTurnedOn && !HOODmanuallyTurnedOffAuto && HOODturnOnTimer > 0 && millis() - HOODturnOnTimer >= HOODTurnOnDelay) { // Turn on HOOD with a delay toggleRelay(HOODrelay); // Turn on the HOOD relay - for 0.3s hoodTimer1 = millis(); HOODturnOnTimer = 0; // Reset } else if (HOODturnOnTimer > 0 && millis() - HOODturnOnTimer >= HOODTurnOnDelay) { hoodActive = false; HOODturnOnTimer = 0; // Reset } // Monitoring variable states for debugging: /* Serial.print("inductionState: "); Serial.println(inductionState); Serial.print("ledActive: "); Serial.println(ledActive); Serial.print("hoodActive: "); Serial.println(hoodActive); Serial.print("currentLEDStatus: "); Serial.println(currentLEDStatus); Serial.print("LEDmanuallyTurnedOn: "); Serial.println(LEDmanuallyTurnedOn); Serial.print("LEDmanuallyTurnedOffAuto: "); Serial.println(LEDmanuallyTurnedOffAuto); Serial.print("currentHOODStatus: "); Serial.println(currentHOODStatus); Serial.print("HOODmanuallyTurnedOn: "); Serial.println(HOODmanuallyTurnedOn); Serial.print("HOODmanuallyTurnedOffAuto: "); Serial.println(HOODmanuallyTurnedOffAuto); Serial.print("ledTimer: "); Serial.println(ledTimer); Serial.print("ledTimer1: "); Serial.println(ledTimer1); Serial.print("hoodTimer: "); Serial.println(hoodTimer); Serial.print("hoodTimer1: "); Serial.println(hoodTimer1); Serial.print("LEDmanuallyTurnedOnTimer: "); Serial.println(LEDmanuallyTurnedOnTimer); Serial.print("HOODmanuallyTurnedOnTimer: "); Serial.println(HOODmanuallyTurnedOnTimer); Serial.print("HOODturnOnTimer: "); Serial.println(HOODturnOnTimer); */ if ((ledActive || LEDmanuallyTurnedOnDuringInduction) && !inductionState && !LEDmanuallyTurnedOffAuto && millis() - ledTimer >= autoTurnOffLEDInduction) { // Turn off the LED after the induction turns off toggleRelay(LEDrelay); // Turn off the LED relay - for 0.3s ledActive = false; LEDmanuallyTurnedOnDuringInduction = false; LEDmanuallyTurnedOn = false; } if ((hoodActive || HOODmanuallyTurnedOnDuringInduction) && !inductionState && !HOODmanuallyTurnedOffAuto && millis() - hoodTimer >= autoTurnOffHOODInduction) { // Turn off the HOOD after the induction turns off toggleRelay(HOODrelay); // Turn off the HOOD relay - for 0.3s hoodActive = false; HOODmanuallyTurnedOnDuringInduction = false; HOODmanuallyTurnedOn = false; } if (LEDmanuallyTurnedOffAuto && millis() - ledTimer1 >= 2000) { // If more than 2s have passed since the last induction-based LED activation and the LED was manually turned off ledActive = false; if (!inductionState) LEDmanuallyTurnedOffAuto = false; } if (HOODmanuallyTurnedOffAuto && millis() - hoodTimer1 >= 2000) { // If more than 2s have passed since the last induction-based HOOD activation and the HOOD was manually turned off hoodActive = false; if (!inductionState) HOODmanuallyTurnedOffAuto = false; } if (!inductionState && LEDmanuallyTurnedOn && millis() - LEDmanuallyTurnedOnTimer >= autoTurnOffLEDManual) { // If more than X minutes have passed since the last manual LED activation, turn off the LED toggleRelay(LEDrelay); // Turn off the LED relay - for 0.3s LEDmanuallyTurnedOn = false; ledActive = false; ledTimer = 0; } if (!inductionState && HOODmanuallyTurnedOn && millis() - HOODmanuallyTurnedOnTimer >= autoTurnOffHOODManual) { // If more than X minutes have passed since the last manual HOOD activation, turn off the HOOD toggleRelay(HOODrelay); // Turn off the HOOD relay - for 0.3s HOODmanuallyTurnedOn = false; hoodActive = false; hoodTimer = 0; } delay(10); }