joystick SENSOR PIR PANTALLA LCD NORMAL
Entradas
Adafruit_PN532.h
#include <Wire.h> #include <Adafruit_PN532.h> #define SDA_PIN 2 #define SCL_PIN 3 Adafruit_PN532 nfc ( SDA_PIN, SCL_PIN ) ; void setup ( void ) { Serial . begin ( 115200 ) ; nfc . begin () ; uint32_t versiondata = nfc . getFirmwareVersion () ; if ( !versiondata ) { Serial . print ( "No se encontró un PN53x\n" ) ; while ( 1 ) ; } nfc . SAMConfig () ; Serial . println ( "Listo para leer tarjetas NFC!" ) ; } void loop ( void ) { uint8_t success; uint8_t uid[] = { 0 , 0 , 0 , 0 , 0 , 0 , 0 } ; uint8_t uidLength; success = nfc . readPassiveTargetID ( PN532_MIFARE_ISO14443A, uid, &uidLength ) ; if ( success ) { Serial . println ( "Tarjeta encontrada!" ) ; Serial . print ( "UID Longitud: " ) ; Serial . print ( uidLength, DEC ) ; Serial . println ( " bytes" ) ; Serial . print ( "UID Valor: " )...
Video instructivo
https://youtu.be/hSYCt7LrYxQ Video instructivo /*MQ2 sensor with Arduino. * https://srituhobby.com */ # include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd ( 0x27 , 16 , 2 ) ; # define LED 2 # define Buzzer 3 # define Sensor A1 void setup ( ) { Serial . begin ( 9200 ) ; lcd . init ( ) ; lcd . backlight ( ) ; pinMode ( LED , OUTPUT ) ; pinMode ( Buzzer , OUTPUT ) ; } void loop ( ) { int value = analogRead ( Sensor ) ; lcd . setCursor ( 0 , 0 ) ; lcd . print ( "Value :" ) ; lcd . print ( value ) ; lcd . print ( " " ) ; if ( value > 400 ) { digitalWrite ( LED , HIGH ) ; digitalWrite ( Buzzer , HIGH ) ; lcd . setCursor ( 0 , 1 ) ; lcd . print ( "GAS Detected!" ) ; } else { digitalWrite ( LED , LOW ) ; digitalWrite ( Buzzer , LOW ) ; lcd . setCursor ( 0 , 1 ) ; lcd . print ( " " ) ; } }
TINKERCAD para principiantes
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