1-Channel Relay Module

The Relay Module 1 Channel is a versatile electronic switch that allows you to control high voltage, high current loads with low voltage signals. This module is ideal for interfacing microcontrollers with electrical appliances, motors, lights, and other devices. It features an optocoupler for improved isolation and protection. 
 

Features:

• 1-channel relay with optocoupler isolation
• Control high voltage devices with low voltage signals
• Compatible with various microcontroller platforms (e.g., Arduino, Raspberry Pi)
• LED indicator for relay status
• Compact design for easy integration

Technical Specifications:

• Relay Type: SPDT (Single Pole Double Throw)
• Operating Voltage: 5V DC
• Trigger Voltage: 3.3V to 5V DC
• Control Signal: Low-level trigger (active low)
• Max Switching Voltage: 250V AC / 30V DC
• Max Switching Current: 10A
• Optocoupler Isolation: Yes
• Dimensions: Approximately 50mm x 26mm x 18mm

Usage:

1. Connection:
   • Connect the VCC and GND pins to the 5V and GND of the microcontroller.
   • Connect the IN pin to a digital output pin of the microcontroller to control the relay.
   • Connect the relay output terminals (COM, NO, and NC) to the load as per the required switching configuration.
2. Programming:
   • Write code to control the relay using the digital output pin, setting it HIGH or LOW to turn the relay on or off.
   • Use libraries or direct pin control methods as appropriate for your microcontroller platform.
3. Testing:
   • Verify the relay operation by toggling the control pin and observing the LED indicator and the switching of the connected load.

Caution:

• Ensure proper insulation and safety measures when handling high voltage circuits.
• Verify the load specifications and ensure they are within the relay's rated capacity.
• Handle the module carefully to avoid damage to the relay and the optocoupler.