2x5V relekortti kodin sähkölaitteiden ohjaukseen

Tietoa

• Rele: Tongling JQC-3FF-S-Z 5VDC (datasheet)
• Releen luokitus: 10 A (AC 250 V / DC 30 V)
• Ohjausjännite: 5 V
• Voi ohjata suoraan mikrokontrollerista (esim. Raspberry Pi, Arduino, AVR, ARM...)   
• Tilan kertovia ledejä
  
• Neljä tuloa: IN1, IN2, GND, VCC
• Joka releelle kolme lähtöä: NO, NC, COMMON

Esimerkkikoodi Arduinolle

// Basic 4 Realy board connection
// Each relay is turned on for 2 seconds and then off.
// You can here them click as there state changes from off to on and on to
// off.
// You will also see the corresponding Red LED on the 4 Relay board
// light up when the relay is on.
 
//  define names for the 4 Digital pins On the Arduino 7,8,9,10
//  These data pins link to 4 Relay board pins IN1, IN2, IN3, IN4

#define RELAY1  6                        
#define RELAY2  7                        
#define RELAY3  8                        
#define RELAY4  9
 
void setup()
{    
  // Initialise the Arduino data pins for OUTPUT
  pinMode(RELAY1, OUTPUT);       
  pinMode(RELAY2, OUTPUT);
  pinMode(RELAY3, OUTPUT);
  pinMode(RELAY4, OUTPUT);
}
 
void loop()
{
   digitalWrite(RELAY1,LOW);           // Turns ON Relays 1
   delay(2000);                        // Wait 2 seconds
   digitalWrite(RELAY1,HIGH);          // Turns Relay Off
 
   digitalWrite(RELAY2,LOW);           // Turns ON Relays 2
   delay(2000);                        // Wait 2 seconds
   digitalWrite(RELAY2,HIGH);          // Turns Relay Off
 
   digitalWrite(RELAY3,LOW);           // Turns ON Relays 3
   delay(2000);                        // Wait 2 seconds
   digitalWrite(RELAY3,HIGH);          // Turns Relay Off
 
   digitalWrite(RELAY4,LOW);           // Turns ON Relays 4
   delay(2000);                        // Wait 2 seconds
   digitalWrite(RELAY4,HIGH);          // Turns Relay Off        
 }

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