Product Name :

1 PCS DR21C01 DC 12V DPDT Signal Relay Board Dual Channel selector switch Module

 

 

 

 

Description:

 

DR21C01 12VDC 1 Channel DPDT Relay Board

 

Operating Voltage : DC 12V

 

Operating Current(Relay ON): 15MA

 

Standby Current(Relay OFF) : <1MA

 

Input control signal voltage:

 

0V - 0.6V Low stage (relay is OFF),

 

0.6V – 2.4V (unknown state).

 

2.4V - 24V High state (relay is ON).

 

Input control signal high state current:

 

2.4V: 0.15mA

 

5V: 0.4mA

 

12V: 1.2mA

 

20V: 2mA

 

Relay Load : 1A 125VAC;2A 30VDC

 

Size : 22.86x18x14

 

Weight :7g

 

 

Typical applications:

Automotive electronics

Audio and video equipment

Motor Polarity reversal

LED

Smart Home

Emergency lighting

 

 

Arduiuo uno/mega2560 Code

//******************************************************//

 

const int DPDT_control = 2; // the number of the DPDT_control pin

 

void setup() {

 

// initialize the DPDT_control pin as an output:

pinMode(DPDT_control, OUTPUT);

}

 

void loop() {

 

digitalWrite(DPDT_control, HIGH);//DTDT relay activation

 

delay(1000);

 

digitalWrite(DPDT_control, LOW);//DTDT relay inactive

 

delay(1000);

 

}

//******************************************************//