www.huvitera.ee/arduino-relee
// NR1 - Relee ja LED
int Relay = 8;
void setup()
{
pinMode(13, OUTPUT); //Set Pin13 as output
digitalWrite(13, HIGH); //Set Pin13 High
pinMode(Relay, OUTPUT); //Set Pin8 as output
}
void loop()
{
digitalWrite(Relay, HIGH); //Turn off relay
delay(2000);
digitalWrite(Relay, LOW); //Turn on relay
delay(2000);
}
// NR2 - Relee, LED, nupp
const int BUTTON_PIN = 7; // Arduino pin connected to button's pin
const int RELAY_PIN = 8; // Arduino pin connected to relay's pin
void setup() {
Serial.begin(9600); // initialize serial
pinMode(13, OUTPUT); //Set Pin13 as output
pinMode(BUTTON_PIN, INPUT_PULLUP); // set arduino pin to input pull-up mode
pinMode(RELAY_PIN, OUTPUT); // set arduino pin to output mode
digitalWrite(13, HIGH); //Set Pin13 High
}
void loop() {
int buttonState = digitalRead(BUTTON_PIN); // read new state
if (buttonState == LOW) {
Serial.println("The button is being pressed");
digitalWrite(RELAY_PIN, HIGH); // turn on
}
else
if (buttonState == HIGH) {
Serial.println("The button is unpressed");
digitalWrite(RELAY_PIN, LOW); // turn off
}
}
// NR3 - Relee, LED, potentsiomeeter
const int POTENTIOMETER_PIN = A0; // Arduino pin connected to Potentiometer pin
const int RELAY_PIN = 8; // Arduino pin connected to Relay's pin
const int ANALOG_THRESHOLD = 500;
void setup() {
pinMode(RELAY_PIN, OUTPUT); // set arduino pin to output mode
pinMode(13, OUTPUT); //Set Pin13 as output
digitalWrite(13, HIGH); //Set Pin13 High
Serial.begin(9600); // initialize serial
}
void loop() {
int analogValue = analogRead(POTENTIOMETER_PIN); // read the input on analog pin
Serial.println(analogValue);
delay(100);
if(analogValue > ANALOG_THRESHOLD)
digitalWrite(RELAY_PIN, HIGH); // turn on Relay
else
digitalWrite(RELAY_PIN, LOW); // turn off Relay
}
// NR4 - Relee, LED, valgusandur
const int LIGHT_SENSOR_PIN = A0; // Arduino pin connected to light sensor's pin
const int RELAY_PIN = 8; // Arduino pin connected to Relay's pin
const int ANALOG_THRESHOLD = 300;
// variables will change:
int analogValue;
void setup() {
pinMode(RELAY_PIN, OUTPUT); // set arduino pin to output mode
pinMode(13, OUTPUT); //Set Pin13 as output
digitalWrite(13, HIGH); //Set Pin13 High
Serial.begin(9600); // initialize serial
}
void loop() {
analogValue = analogRead(LIGHT_SENSOR_PIN); // read the input on analog pin
Serial.println(analogValue);
delay(100);
if(analogValue > ANALOG_THRESHOLD)
digitalWrite(RELAY_PIN, HIGH); // turn on Relay
else
digitalWrite(RELAY_PIN, LOW); // turn off Relay
}
Convert HEX to DECIMAL
https://www.atatus.com/tools/hex-to-decimal
// NR5 - Relee, LED, RFID
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
#define RELAY_PIN 8 // the Arduino pin connects to relay
MFRC522 rfid(SS_PIN, RST_PIN);
byte authorizedUID[4] = {0xD2, 0xBC, 0x52, 0x43};
void setup() {
Serial.begin(9600);
SPI.begin(); // init SPI bus
rfid.PCD_Init(); // init MFRC522
pinMode(RELAY_PIN, OUTPUT); // initialize pin as an output.
digitalWrite(RELAY_PIN, LOW); // deactivate the relay
pinMode(2, OUTPUT); //Set Pin13 as output
digitalWrite(2, HIGH); //Set Pin13 High
Serial.println("Tap RFID/NFC Tag on reader");
}
void loop() {
if (rfid.PICC_IsNewCardPresent()) { // new tag is available
if (rfid.PICC_ReadCardSerial()) { // NUID has been readed
MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
if (rfid.uid.uidByte[0] == authorizedUID[0] &&
rfid.uid.uidByte[1] == authorizedUID[1] &&
rfid.uid.uidByte[2] == authorizedUID[2] &&
rfid.uid.uidByte[3] == authorizedUID[3] ) {
Serial.println("Authorized Tag");
digitalWrite(RELAY_PIN, HIGH); // activate the relay for 2 seconds
delay(2000);
digitalWrite(RELAY_PIN, LOW); // deactivate the relay
}
else
{
Serial.print("Unauthorized Tag with UID:");
for (int i = 0; i < rfid.uid.size; i++) {
Serial.print(rfid.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(rfid.uid.uidByte[i], HEX);
}
Serial.println();
}
rfid.PICC_HaltA(); // halt PICC
rfid.PCD_StopCrypto1(); // stop encryption on PCD
}
}
}
// NR6 - Relee, LED, RFID, EML
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
#define RELAY_PIN 8 // the Arduino pin connects to relay
MFRC522 rfid(SS_PIN, RST_PIN);
byte authorizedUID[4] = {0xD2, 0xBC, 0x52, 0x43};
void setup() {
Serial.begin(9600);
SPI.begin(); // init SPI bus
rfid.PCD_Init(); // init MFRC522
pinMode(RELAY_PIN, OUTPUT); // initialize pin as an output.
digitalWrite(RELAY_PIN, HIGH); // activate the relay
Serial.println("Tap RFID/NFC Tag on reader");
}
void loop() {
if (rfid.PICC_IsNewCardPresent()) { // new tag is available
if (rfid.PICC_ReadCardSerial()) { // NUID has been readed
MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
if (rfid.uid.uidByte[0] == authorizedUID[0] &&
rfid.uid.uidByte[1] == authorizedUID[1] &&
rfid.uid.uidByte[2] == authorizedUID[2] &&
rfid.uid.uidByte[3] == authorizedUID[3] ) {
Serial.println("Authorized Tag");
digitalWrite(RELAY_PIN, LOW); // deactivate the relay for 2 seconds
}
else
{
Serial.print("Unauthorized Tag with UID:");
for (int i = 0; i < rfid.uid.size; i++) {
Serial.print(rfid.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(rfid.uid.uidByte[i], HEX);
}
Serial.println();
}
rfid.PICC_HaltA(); // halt PICC
rfid.PCD_StopCrypto1(); // stop encryption on PCD
}
}
}
