4 Channel Relay Board with 38 Pin ESP32 5V Module 80x68mm ET7516

700.00

  • ESP32  BOARD INCLUDED
  • Support ESP32 38 PIN Development Board
  • RELAY PINS 23 ,22,21,19
  • SUPPLY VOLTAGE 5V
  • INBUILT FUSE (RESETTABLE PPTC FUSE )
  • OVER VOLTAGE PROTECTION (TVS DIODE)
  • MADE IN INDIA

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Description

  • HIGH QUALITTY FR4 DOUBLE SIDE PCB
  • SMD COMPONENTS INCLUDED IN PCB
  • OPTO COUPLER – EL817
  • RELAY DRIVER – ULN2003/ILN2003
  • RESISTOR -0805 1K
  • LED SIZE -0805
  • CAPACITOR -470UF 6.3V AND  AND 10UF 0805
  • FUSE – RGEF300 16V 3A PPTC Resettable Fuse
  • OUTPUT CONEECTOR -XY128V 3 PIN 5MM PITCH
  • DIODE – SS34  40V 3A SCHOTTKY DIODE
  • TVS DIODE   -6.8V

SAMPLE PROGRAM

#define relay1 23
#define relay2 22
#define relay3 21
#define relay4 19
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
pinMode(relay4, OUTPUT);
digitalWrite(relay1, HIGH);
digitalWrite(relay2, HIGH);
digitalWrite(relay3, HIGH);
digitalWrite(relay4, HIGH);
delay(1000);
digitalWrite(relay1, LOW);
digitalWrite(relay2, LOW);
digitalWrite(relay3, LOW);
digitalWrite(relay4, LOW);
delay(1000);

}

// the loop function runs over and over again forever
void loop()
{
digitalWrite(relay1, HIGH);
delay(1000);
digitalWrite(relay1, LOW);
digitalWrite(relay2, HIGH);
delay(1000);
digitalWrite(relay2, LOW);
digitalWrite(relay3, HIGH);
delay(1000);
digitalWrite(relay3, LOW);
digitalWrite(relay4, HIGH);
delay(1000);
digitalWrite(relay4, LOW);
}

Additional information

MATERIAL

HIGH QUALITY FR4 DOUBLE SIDE PCB

COLOR

COLOR MAY BE DIFFERENT

MADE IN

INDIA

THICKNESS

1.6MM