SRD-12VDC-SL-C Songle Relay T73-12V 5pin

Description

What it is

The SRD-12VDC-SL-C relay from Songle is a 5-pin electronic device designed for circuit management. This component is compatible with Arduino and other microcontrollers, providing a reliable solution for controlling electrical devices.

Features

• Model: SRD-12VDC-SL-C
• Activation Voltage: 12VDC
• More compatible with Arduino and PCB projects

What it is for

The relay is ideal for beginners and intermediates who want to build automatic systems such as a lighting system. You can connect a light sensor to the microcontroller and use the relay to turn a lamp on or off.

Tutorial: How to use SRD-12VDC-SL-C

The SRD-12VDC-SL-C relay is ideal for controlling electrical devices with a small device like an Arduino. Useful for beginners and intermediates.

What you need

• Arduino or compatible microcontroller
• 12V power supply
• Connection cable
• Breadboard (optional)

Steps

1. 1. Check the datasheet for power supply specifications.
2. 2. Connect the 12V power source to the relay.
3. 3. Insert the relay pins onto the breadboard (if used).
4. 4. Connect pins 2 and 3 of the relay to the VCC and GND of the microcontroller.
5. 5. Connect pin 1 of the relay to the control pin of the microcontroller.
6. 6. Connect pin 5 of the relay to the GND of the microcontroller.
7. 7. Load a simple sketch onto the microcontroller to control the relay.
8. 8. Verify the operation of the relay with the microcontroller.

Example code

```void setup() {  pinMode(2, OUTPUT);}void loop() {  digitalWrite(2, HIGH);  delay(1000);  digitalWrite(2, LOW);  delay(1000);}```

Mini project

Build an automatic lighting system. Connect a light sensor to the microcontroller and use the relay to turn a lamp on/off.

Common mistakes

• Incorrect power supply (check the datasheet)
• Incorrect connections (check the pins)
• Incompatible microcontroller (check compatibility)
• Missing power supply

Recommended accessories

• Light sensor
• Lamp
• Breadboard
• Connection cables

Frequently asked questions

Does the relay work with a voltage different from 12V?
Check the datasheet for the allowable supply voltage.

Which pins of the relay to connect to the microcontroller?
Connect pin 1 to the control pin and pins 2 and 3 to VCC and GND.

Does the relay work with Arduino Nano?
Check the compatibility on the datasheet.