1 Channel Relay Module – 5V DC – Online India

Description

You can switch one electrical appliance or circuit with Arduino or other controller boards using this 1 Channel Relay 5V DC Module. So if you want to buy online in India the 1 Channel Relay Module, you are at the right place, Circuit Uncle – Home for Embedded and IoT solutions and components.

• High-quality relay
• Normally open
• Maximum load: AC 250V / 10A, DC 30V / 10A;
• Optocoupler isolation,
• Stable performance
• trigger current 5mA
• Can be set by jumper high or low trigger
• Fault-tolerant design, even if the control line off, the relay will not move;
• power indicator (green), relay status indicator (red)

• VCC+: then the power supply positive (voltage according to the relay requirements 5V)
• GND: connected to the power supply negative
• IN: can be high or low-level control relay pull

• NO: relay normally-open interface, relay pull before the suspension, after the connection with the COM shorted
• COM: relay common interface
• NC: relay normally closed interface, the relay before the connection with the COM short, pull after the suspension

The indicator LEDs (both power as well as the operational indicator) improve the operational feature of this module, as it provides a real-time feedback about the module’s state.  Below is your sample Arduino code, which blinks or switch on/off the relay module in the interval of 1 sec each:

int RelayPin = 6;

void setup() {
// Set RelayPin as an output pin
pinMode(RelayPin, OUTPUT);
}

void loop() {
// Let’s turn on the relay…
digitalWrite(RelayPin, LOW);
delay(1000);

// Let’s turn off the relay…
digitalWrite(RelayPin, HIGH);
delay(1000);
}

Wikipedia Page on the relay

A bonus tutorial and discussion video on how to use the 1 channel relay module – 5V DC module.

 

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